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3270389920 = 25579730103
BaseRepresentation
bin1100001011101110…
…0011000010100000
322102220211000120121
43002323203002200
523144204434140
61300303450024
7144020566330
oct30273430240
98386730517
103270389920
111429060396
127732b6914
13401715985
142304ad0c0
151421a464a
hexc2ee30a0

3270389920 has 96 divisors (see below), whose sum is σ = 8921380608. Its totient is φ = 1109680128.

The previous prime is 3270389911. The next prime is 3270389923. The reversal of 3270389920 is 299830723.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3270389923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93589 + ... + 123691.

It is an arithmetic number, because the mean of its divisors is an integer number (92931048).

Almost surely, 23270389920 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 3270389920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4460690304).

3270389920 is an abundant number, since it is smaller than the sum of its proper divisors (5650990688).

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

3270389920 is a wasteful number, since it uses less digits than its factorization.

3270389920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30222 (or 30214 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 3270389920 is about 57187.3230707646. The cubic root of 3270389920 is about 1484.3392738334.

The spelling of 3270389920 in words is "three billion, two hundred seventy million, three hundred eighty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 97 112 140 160 194 224 280 388 485 560 679 776 970 1120 1358 1552 1940 2716 3104 3395 3880 5432 6790 7760 10864 13580 15520 21728 27160 30103 54320 60206 108640 120412 150515 210721 240824 301030 421442 481648 602060 842884 963296 1053605 1204120 1685768 2107210 2408240 2919991 3371536 4214420 4816480 5839982 6743072 8428840 11679964 14599955 16857680 20439937 23359928 29199910 33715360 40879874 46719856 58399820 81759748 93439712 102199685 116799640 163519496 204399370 233599280 327038992 408798740 467198560 654077984 817597480 1635194960 3270389920