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16375980 = 2235272933
BaseRepresentation
bin111110011110…
…000010101100
31010210222121210
4332132002230
513143012410
61342554420
7256123245
oct76360254
933728553
1016375980
119275575
125598a10
133514a3a
142263ccc
151687220
hexf9e0ac

16375980 has 24 divisors (see below), whose sum is σ = 45852912. Its totient is φ = 4366912.

The previous prime is 16375979. The next prime is 16375987. The reversal of 16375980 is 8957361.

It is not an unprimeable number, because it can be changed into a prime (16375987) 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, 136407 + ... + 136526.

It is an arithmetic number, because the mean of its divisors is an integer number (1910538).

Almost surely, 216375980 is an apocalyptic number.

16375980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16375980 is an abundant number, since it is smaller than the sum of its proper divisors (29476932).

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

16375980 is a wasteful number, since it uses less digits than its factorization.

16375980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272945 (or 272943 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 16375980 is about 4046.7246014524. The cubic root of 16375980 is about 253.9427196356.

The spelling of 16375980 in words is "sixteen million, three hundred seventy-five thousand, nine hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 272933 545866 818799 1091732 1364665 1637598 2729330 3275196 4093995 5458660 8187990 16375980