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16120377 = 311713
BaseRepresentation
bin111101011111…
…101000111001
31010100000000000
4331133220321
513111323002
61333303213
7254010120
oct75375071
933300000
1016120377
119110529
125494b09
1334555b0
1421d8ab7
15163661c
hexf5fa39

16120377 has 48 divisors (see below), whose sum is σ = 29760640. Its totient is φ = 8503056.

The previous prime is 16120367. The next prime is 16120381. The reversal of 16120377 is 77302161.

It is not a de Polignac number, because 16120377 - 24 = 16120361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 9.

It is a zygodrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 16120377.

It is not an unprimeable number, because it can be changed into a prime (16120367) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240023 + ... + 1240035.

Almost surely, 216120377 is an apocalyptic number.

It is an amenable number.

16120377 is a deficient number, since it is larger than the sum of its proper divisors (13640263).

16120377 is an frugal number, since it uses more digits than its factorization.

16120377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 16120377 is about 4015.0189289716. The cubic root of 16120377 is about 252.6145714085.

The spelling of 16120377 in words is "sixteen million, one hundred twenty thousand, three hundred seventy-seven".

Divisors: 1 3 7 9 13 21 27 39 63 81 91 117 189 243 273 351 567 729 819 1053 1701 2187 2457 3159 5103 6561 7371 9477 15309 19683 22113 28431 45927 59049 66339 85293 137781 177147 199017 255879 413343 597051 767637 1240029 1791153 2302911 5373459 16120377