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7992372 = 223666031
BaseRepresentation
bin11110011111010000110100
3120001001110210
4132133100310
54021223442
6443145420
7124635243
oct36372064
916031423
107992372
114569873
122815270
13186ab1b
1410c095a
15a7d19c
hex79f434

7992372 has 12 divisors (see below), whose sum is σ = 18648896. Its totient is φ = 2664120.

The previous prime is 7992349. The next prime is 7992373. The reversal of 7992372 is 2732997.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 7992372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7992373) 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 3 ways as a sum of consecutive naturals, for example, 333004 + ... + 333027.

Almost surely, 27992372 is an apocalyptic number.

It is an amenable number.

7992372 is an abundant number, since it is smaller than the sum of its proper divisors (10656524).

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

7992372 is a wasteful number, since it uses less digits than its factorization.

7992372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666038 (or 666036 counting only the distinct ones).

The product of its digits is 47628, while the sum is 39.

The square root of 7992372 is about 2827.0783505237. The cubic root of 7992372 is about 199.9364131190.

The spelling of 7992372 in words is "seven million, nine hundred ninety-two thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 666031 1332062 1998093 2664124 3996186 7992372