Search a number
-
+
155116075 = 5217364979
BaseRepresentation
bin10010011111011…
…10001000101011
3101210212201020211
421033232020223
5304202203300
623220401551
73562315312
oct1117561053
9353781224
10155116075
117a617004
1243b462b7
13261a077a
141685b279
15d9404ba
hex93ee22b

155116075 has 12 divisors (see below), whose sum is σ = 203658840. Its totient is φ = 116792960.

The previous prime is 155116069. The next prime is 155116097. The reversal of 155116075 is 570611551.

It is a de Polignac number, because none of the positive numbers 2k-155116075 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182065 + ... + 182914.

It is an arithmetic number, because the mean of its divisors is an integer number (16971570).

Almost surely, 2155116075 is an apocalyptic number.

155116075 is a deficient number, since it is larger than the sum of its proper divisors (48542765).

155116075 is a wasteful number, since it uses less digits than its factorization.

155116075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365006 (or 365001 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 31.

The square root of 155116075 is about 12454.5604097455. The cubic root of 155116075 is about 537.3025920100.

The spelling of 155116075 in words is "one hundred fifty-five million, one hundred sixteen thousand, seventy-five".

Divisors: 1 5 17 25 85 425 364979 1824895 6204643 9124475 31023215 155116075