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16164988 = 2274114081
BaseRepresentation
bin111101101010…
…100001111100
31010102021012021
4331222201330
513114234423
61334245524
7254254150
oct75524174
933367167
1016164988
119140aa4
1254b68a4
13346c9a8
14220b060
15164495d
hexf6a87c

16164988 has 24 divisors (see below), whose sum is σ = 33120864. Its totient is φ = 6758400.

The previous prime is 16164983. The next prime is 16165001. The reversal of 16164988 is 88946161.

It is a super-2 number, since 2×161649882 = 522613674080288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5893 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (1380036).

Almost surely, 216164988 is an apocalyptic number.

It is an amenable number.

16164988 is an abundant number, since it is smaller than the sum of its proper divisors (16955876).

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

16164988 is a wasteful number, since it uses less digits than its factorization.

16164988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133 (or 14131 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 16164988 is about 4020.5706062697. The cubic root of 16164988 is about 252.8473825288.

It can be divided in two parts, 1616 and 4988, that multiplied together give a palindrome (8060608).

The spelling of 16164988 in words is "sixteen million, one hundred sixty-four thousand, nine hundred eighty-eight".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 14081 28162 56324 98567 197134 394268 577321 1154642 2309284 4041247 8082494 16164988