Search a number
-
+
165150672 = 24323227659
BaseRepresentation
bin10011101011111…
…11111111010000
3102111202112010120
421311333333100
5314234310142
624215430240
74043520561
oct1165777720
9374675116
10165150672
1185250165
1247385380
13282a4cbb
1417d10168
15e7737ec
hex9d7ffd0

165150672 has 80 divisors (see below), whose sum is σ = 447828480. Its totient is φ = 52345216.

The previous prime is 165150653. The next prime is 165150683. The reversal of 165150672 is 276051561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250279 + ... + 250937.

It is an arithmetic number, because the mean of its divisors is an integer number (5597856).

Almost surely, 2165150672 is an apocalyptic number.

165150672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165150672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223914240).

165150672 is an abundant number, since it is smaller than the sum of its proper divisors (282677808).

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

165150672 is a wasteful number, since it uses less digits than its factorization.

165150672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 165150672 is about 12851.0961400186. The cubic root of 165150672 is about 548.6475553144.

The spelling of 165150672 in words is "one hundred sixty-five million, one hundred fifty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 227 276 368 454 552 659 681 908 1104 1318 1362 1816 1977 2636 2724 3632 3954 5221 5272 5448 7908 10442 10544 10896 15157 15663 15816 20884 30314 31326 31632 41768 45471 60628 62652 83536 90942 121256 125304 149593 181884 242512 250608 299186 363768 448779 598372 727536 897558 1196744 1795116 2393488 3440639 3590232 6881278 7180464 10321917 13762556 20643834 27525112 41287668 55050224 82575336 165150672