Search a number
-
+
165187092 = 22373753149
BaseRepresentation
bin10011101100010…
…00111000010100
3102111211101002110
421312020320110
5314241441332
624220311020
74044032010
oct1166107024
9374741073
10165187092
1185275564
12473a2470
13282b8755
1417d1d540
15e77e4cc
hex9d88e14

165187092 has 48 divisors (see below), whose sum is σ = 452412800. Its totient is φ = 45919872.

The previous prime is 165187091. The next prime is 165187097. The reversal of 165187092 is 290781561.

It is a self number, because there is not a number n which added to its sum of digits gives 165187092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165187091) 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, 23467 + ... + 29682.

Almost surely, 2165187092 is an apocalyptic number.

165187092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

165187092 is an abundant number, since it is smaller than the sum of its proper divisors (287225708).

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

165187092 is a wasteful number, since it uses less digits than its factorization.

165187092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53200 (or 53198 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 165187092 is about 12852.5130616545. The cubic root of 165187092 is about 548.6878826815.

The spelling of 165187092 in words is "one hundred sixty-five million, one hundred eighty-seven thousand, ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 37 42 74 84 111 148 222 259 444 518 777 1036 1554 3108 53149 106298 159447 212596 318894 372043 637788 744086 1116129 1488172 1966513 2232258 3933026 4464516 5899539 7866052 11799078 13765591 23598156 27531182 41296773 55062364 82593546 165187092