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3902131 = 37263401
BaseRepresentation
bin1110111000101010110011
321100020201101
432320222303
51444332011
6215345231
745111322
oct16705263
97306641
103902131
112225802
121382217
13a6816c
147380b9
155212c1
hex3b8ab3

3902131 has 8 divisors (see below), whose sum is σ = 4032864. Its totient is φ = 3772800.

The previous prime is 3902071. The next prime is 3902137. The reversal of 3902131 is 1312093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3902131 is a prime.

It is a super-2 number, since 2×39021312 = 30453252682322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3902099 and 3902108.

It is not an unprimeable number, because it can be changed into a prime (3902137) 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 7 ways as a sum of consecutive naturals, for example, 9531 + ... + 9931.

It is an arithmetic number, because the mean of its divisors is an integer number (504108).

Almost surely, 23902131 is an apocalyptic number.

3902131 is a deficient number, since it is larger than the sum of its proper divisors (130733).

3902131 is a wasteful number, since it uses less digits than its factorization.

3902131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 3902131 is about 1975.3812290290. The cubic root of 3902131 is about 157.4347558773.

The spelling of 3902131 in words is "three million, nine hundred two thousand, one hundred thirty-one".

Divisors: 1 37 263 401 9731 14837 105463 3902131