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3895872 = 263103197
BaseRepresentation
bin1110110111001001000000
321022221010120
432313021000
51444131442
6215300240
745054141
oct16671100
97287116
103895872
112221032
12137a680
13a65366
14735ac8
1551e4ec
hex3b7240

3895872 has 56 divisors (see below), whose sum is σ = 10460736. Its totient is φ = 1279488.

The previous prime is 3895867. The next prime is 3895883. The reversal of 3895872 is 2785983.

Its product of digits (120960) is a multiple of the sum of its prime factors (315).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19678 + ... + 19874.

Almost surely, 23895872 is an apocalyptic number.

3895872 is a gapful number since it is divisible by the number (32) 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 3895872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230368).

3895872 is an abundant number, since it is smaller than the sum of its proper divisors (6564864).

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

3895872 is a wasteful number, since it uses less digits than its factorization.

3895872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 305 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 3895872 is about 1973.7963420779. The cubic root of 3895872 is about 157.3505359594.

The spelling of 3895872 in words is "three million, eight hundred ninety-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 192 197 206 309 394 412 591 618 788 824 1182 1236 1576 1648 2364 2472 3152 3296 4728 4944 6304 6592 9456 9888 12608 18912 19776 20291 37824 40582 60873 81164 121746 162328 243492 324656 486984 649312 973968 1298624 1947936 3895872