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16413972 = 2231367831
BaseRepresentation
bin111110100111…
…010100010100
31010212220201220
4332213110110
513200221342
61343450340
7256342101
oct76472424
933786656
1016413972
1192a1073
1255b69b0
133529113
142273aa8
1516935ec
hexfa7514

16413972 has 12 divisors (see below), whose sum is σ = 38299296. Its totient is φ = 5471320.

The previous prime is 16413961. The next prime is 16414037. The reversal of 16413972 is 27931461.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 683904 + ... + 683927.

It is an arithmetic number, because the mean of its divisors is an integer number (3191608).

Almost surely, 216413972 is an apocalyptic number.

16413972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16413972 is an abundant number, since it is smaller than the sum of its proper divisors (21885324).

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

16413972 is a wasteful number, since it uses less digits than its factorization.

16413972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367838 (or 1367836 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 16413972 is about 4051.4160487415. The cubic root of 16413972 is about 254.1389489198.

The spelling of 16413972 in words is "sixteen million, four hundred thirteen thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 1367831 2735662 4103493 5471324 8206986 16413972