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161214264 = 233217131711
BaseRepresentation
bin10011001101111…
…10111100111000
3102020100112101200
421212332330320
5312232324024
623555214200
73665204301
oct1146767470
9366315350
10161214264
1183001732
1245ba7360
1327527373
14175a77a8
15e2472c9
hex99bef38

161214264 has 48 divisors (see below), whose sum is σ = 462309120. Its totient is φ = 50576640.

The previous prime is 161214253. The next prime is 161214269. The reversal of 161214264 is 462412161.

161214264 is a `hidden beast` number, since 1 + 612 + 1 + 42 + 6 + 4 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161214269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64632 + ... + 67079.

It is an arithmetic number, because the mean of its divisors is an integer number (9631440).

Almost surely, 2161214264 is an apocalyptic number.

It is an amenable number.

161214264 is an abundant number, since it is smaller than the sum of its proper divisors (301094856).

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

161214264 is a wasteful number, since it uses less digits than its factorization.

161214264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131740 (or 131733 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 161214264 is about 12697.0179176057. The cubic root of 161214264 is about 544.2534052252.

It can be divided in two parts, 1612 and 14264, that added together give a square (15876 = 1262).

The spelling of 161214264 in words is "one hundred sixty-one million, two hundred fourteen thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 34 36 51 68 72 102 136 153 204 306 408 612 1224 131711 263422 395133 526844 790266 1053688 1185399 1580532 2239087 2370798 3161064 4478174 4741596 6717261 8956348 9483192 13434522 17912696 20151783 26869044 40303566 53738088 80607132 161214264