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3828975120 = 2432549110831
BaseRepresentation
bin1110010000111001…
…1000011000010000
3100212211220002102100
43210032120120100
530320204200440
61431540120400
7163612515525
oct34416303020
910784802370
103828975120
1116953a1753
128aa396100
13490370a69
1428475514c
15176241230
hexe4398610

3828975120 has 120 divisors (see below), whose sum is σ = 12886353792. Its totient is φ = 1018886400.

The previous prime is 3828975113. The next prime is 3828975149. The reversal of 3828975120 is 215798283.

It is a happy number.

3828975120 is a `hidden beast` number, since 382 + 89 + 75 + 120 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×38289751202 = 29322100939158028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348105 + ... + 358935.

Almost surely, 23828975120 is an apocalyptic number.

3828975120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3828975120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6443176896).

3828975120 is an abundant number, since it is smaller than the sum of its proper divisors (9057378672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3828975120 is a wasteful number, since it uses less digits than its factorization.

3828975120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341 (or 11332 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 3828975120 is about 61878.7129795053. The cubic root of 3828975120 is about 1564.4469759851.

The spelling of 3828975120 in words is "three billion, eight hundred twenty-eight million, nine hundred seventy-five thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 491 720 982 1473 1964 2455 2946 3928 4419 4910 5892 7365 7856 8838 9820 10831 11784 14730 17676 19640 21662 22095 23568 29460 32493 35352 39280 43324 44190 54155 58920 64986 70704 86648 88380 97479 108310 117840 129972 162465 173296 176760 194958 216620 259944 324930 353520 389916 433240 487395 519888 649860 779832 866480 974790 1299720 1559664 1949580 2599440 3899160 5318021 7798320 10636042 15954063 21272084 26590105 31908126 42544168 47862189 53180210 63816252 79770315 85088336 95724378 106360420 127632504 159540630 191448756 212720840 239310945 255265008 319081260 382897512 425441680 478621890 638162520 765795024 957243780 1276325040 1914487560 3828975120