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16164380 = 2257691051
BaseRepresentation
bin111101101010…
…011000011100
31010102020100202
4331222120130
513114230010
61334243032
7254252321
oct75523034
933366322
1016164380
1191405a1
1254b6478
13346c62b
14220ab48
1516446a5
hexf6a61c

16164380 has 24 divisors (see below), whose sum is σ = 34021680. Its totient is φ = 6451200.

The previous prime is 16164367. The next prime is 16164389. The reversal of 16164380 is 8346161.

It is a super-2 number, since 2×161643802 = 522574361568800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16164389) 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, 14855 + ... + 15905.

It is an arithmetic number, because the mean of its divisors is an integer number (1417570).

Almost surely, 216164380 is an apocalyptic number.

16164380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16164380 is an abundant number, since it is smaller than the sum of its proper divisors (17857300).

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

16164380 is a wasteful number, since it uses less digits than its factorization.

16164380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 16164380 is about 4020.4949944006. The cubic root of 16164380 is about 252.8442124442.

The spelling of 16164380 in words is "sixteen million, one hundred sixty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 769 1051 1538 2102 3076 3845 4204 5255 7690 10510 15380 21020 808219 1616438 3232876 4041095 8082190 16164380