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3970988 = 227373833
BaseRepresentation
bin1111001001011110101100
321110202011122
433021132230
52004032423
6221040112
745516140
oct17113654
97422148
103970988
11227250a
1213b6038
13a905c8
14755220
155368c8
hex3c97ac

3970988 has 24 divisors (see below), whose sum is σ = 8158752. Its totient is φ = 1655424.

The previous prime is 3970949. The next prime is 3970991. The reversal of 3970988 is 8890793.

It is a super-2 number, since 2×39709882 = 31537491392288, which contains 22 as substring.

It is a nialpdrome in base 14.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 881 + ... + 2952.

It is an arithmetic number, because the mean of its divisors is an integer number (339948).

Almost surely, 23970988 is an apocalyptic number.

It is an amenable number.

3970988 is an abundant number, since it is smaller than the sum of its proper divisors (4187764).

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

3970988 is a wasteful number, since it uses less digits than its factorization.

3970988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3879 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 3970988 is about 1992.7338005865. The cubic root of 3970988 is about 158.3553929252.

The spelling of 3970988 in words is "three million, nine hundred seventy thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 3833 7666 15332 26831 53662 107324 141821 283642 567284 992747 1985494 3970988