Search a number
-
+
157354288 = 24721315439
BaseRepresentation
bin10010110000100…
…00100100110000
3101222002102111121
421120100210300
5310240314123
623340352024
73620326600
oct1130204460
9358072447
10157354288
1180905673
1244845614
13267a5460
1416c80c00
15dc3375d
hex9610930

157354288 has 60 divisors (see below), whose sum is σ = 381954720. Its totient is φ = 62246016.

The previous prime is 157354283. The next prime is 157354289. The reversal of 157354288 is 882453751.

It is not an unprimeable number, because it can be changed into a prime (157354283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2473 + ... + 17911.

It is an arithmetic number, because the mean of its divisors is an integer number (6365912).

Almost surely, 2157354288 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 157354288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190977360).

157354288 is an abundant number, since it is smaller than the sum of its proper divisors (224600432).

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

157354288 is a wasteful number, since it uses less digits than its factorization.

157354288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15474 (or 15461 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 157354288 is about 12544.0937496497. The cubic root of 157354288 is about 539.8745570528.

The spelling of 157354288 in words is "one hundred fifty-seven million, three hundred fifty-four thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 49 52 56 91 98 104 112 182 196 208 364 392 637 728 784 1274 1456 2548 5096 10192 15439 30878 61756 108073 123512 200707 216146 247024 401414 432292 756511 802828 864584 1404949 1513022 1605656 1729168 2809898 3026044 3211312 5619796 6052088 9834643 11239592 12104176 19669286 22479184 39338572 78677144 157354288