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161674130 = 25232924239
BaseRepresentation
bin10011010001011…
…11001110010010
3102021012220012202
421220233032102
5312342033010
624013123202
74002131102
oct1150571622
9367186182
10161674130
1183296192
1246189502
1327658787
1417687202
15e2d86a5
hex9a2f392

161674130 has 32 divisors (see below), whose sum is σ = 314150400. Its totient is φ = 59722432.

The previous prime is 161674129. The next prime is 161674133. The reversal of 161674130 is 31476161.

161674130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1616741302 = 52277048622513800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 161674093 and 161674102.

It is not an unprimeable number, because it can be changed into a prime (161674133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5450 + ... + 18789.

It is an arithmetic number, because the mean of its divisors is an integer number (9817200).

Almost surely, 2161674130 is an apocalyptic number.

161674130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161674130 is a deficient number, since it is larger than the sum of its proper divisors (152476270).

161674130 is a wasteful number, since it uses less digits than its factorization.

161674130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24298.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 161674130 is about 12715.1142346422. The cubic root of 161674130 is about 544.7704108288.

The spelling of 161674130 in words is "one hundred sixty-one million, six hundred seventy-four thousand, one hundred thirty".

Divisors: 1 2 5 10 23 29 46 58 115 145 230 290 667 1334 3335 6670 24239 48478 121195 242390 557497 702931 1114994 1405862 2787485 3514655 5574970 7029310 16167413 32334826 80837065 161674130