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38825020 = 22513314817
BaseRepresentation
bin1001010000011…
…0110000111100
32201001111220201
42110012300330
534414400040
63504053244
7651002323
oct224066074
981044821
1038825020
111aa088a3
1211004224
138074ab0
1452290ba
15361da9a
hex2506c3c

38825020 has 48 divisors (see below), whose sum is σ = 90655488. Its totient is φ = 13870080.

The previous prime is 38824967. The next prime is 38825021. The reversal of 38825020 is 2052883.

It is a self number, because there is not a number n which added to its sum of digits gives 38825020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38825021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5652 + ... + 10468.

It is an arithmetic number, because the mean of its divisors is an integer number (1888656).

Almost surely, 238825020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38825020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45327744).

38825020 is an abundant number, since it is smaller than the sum of its proper divisors (51830468).

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

38825020 is a wasteful number, since it uses less digits than its factorization.

38825020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4870 (or 4868 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 38825020 is about 6230.9726367558. The cubic root of 38825020 is about 338.6132093861.

The spelling of 38825020 in words is "thirty-eight million, eight hundred twenty-five thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 31 52 62 65 124 130 155 260 310 403 620 806 1612 2015 4030 4817 8060 9634 19268 24085 48170 62621 96340 125242 149327 250484 298654 313105 597308 626210 746635 1252420 1493270 1941251 2986540 3882502 7765004 9706255 19412510 38825020