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16908933 = 3234143139
BaseRepresentation
bin100000010000…
…0001010000101
31011211001200210
41000200022011
513312041213
61402230033
7263503116
oct100401205
934731623
1016908933
1195a9a28
1257b5319
1336704b2
14236220d
1517400c3
hex1020285

16908933 has 32 divisors (see below), whose sum is σ = 24837120. Its totient is φ = 10200960.

The previous prime is 16908901. The next prime is 16908937. The reversal of 16908933 is 33980961.

It is not a de Polignac number, because 16908933 - 25 = 16908901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16908891 and 16908900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16908937) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121578 + ... + 121716.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 216908933 is an apocalyptic number.

It is an amenable number.

16908933 is a deficient number, since it is larger than the sum of its proper divisors (7928187).

16908933 is a wasteful number, since it uses less digits than its factorization.

16908933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 16908933 is about 4112.0473003116. The cubic root of 16908933 is about 256.6682016737.

The spelling of 16908933 in words is "sixteen million, nine hundred eight thousand, nine hundred thirty-three".

Divisors: 1 3 23 41 43 69 123 129 139 417 943 989 1763 2829 2967 3197 5289 5699 5977 9591 17097 17931 40549 121647 131077 137471 245057 393231 412413 735171 5636311 16908933