Search a number
-
+
156656484 = 22331579239
BaseRepresentation
bin10010101011001…
…10001101100100
3101220202222022000
421111212031210
5310101001414
623313405300
73611362305
oct1125461544
9356688260
10156656484
1180479376
1244569830
13265bc95a
1416b3c7ac
15db46b09
hex9566364

156656484 has 48 divisors (see below), whose sum is σ = 408777600. Its totient is φ = 51880608.

The previous prime is 156656443. The next prime is 156656491. The reversal of 156656484 is 484656651.

156656484 is a `hidden beast` number, since 1 + 5 + 6 + 6 + 564 + 84 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12337 + ... + 21575.

It is an arithmetic number, because the mean of its divisors is an integer number (8516200).

Almost surely, 2156656484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156656484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204388800).

156656484 is an abundant number, since it is smaller than the sum of its proper divisors (252121116).

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

156656484 is a wasteful number, since it uses less digits than its factorization.

156656484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9409 (or 9401 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 156656484 is about 12516.2487990612. The cubic root of 156656484 is about 539.0753311275.

The spelling of 156656484 in words is "one hundred fifty-six million, six hundred fifty-six thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 157 314 471 628 942 1413 1884 2826 4239 5652 8478 9239 16956 18478 27717 36956 55434 83151 110868 166302 249453 332604 498906 997812 1450523 2901046 4351569 5802092 8703138 13054707 17406276 26109414 39164121 52218828 78328242 156656484