Search a number
-
+
157558258 = 21113550903
BaseRepresentation
bin10010110010000…
…10010111110010
3101222110210022001
421121002113302
5310313331013
623345004214
73622136344
oct1131022762
9358423261
10157558258
1180a34940
124492366a
1326847250
1416cd5294
15dc73ddd
hex96425f2

157558258 has 16 divisors (see below), whose sum is σ = 277655616. Its totient is φ = 66108240.

The previous prime is 157558231. The next prime is 157558267. The reversal of 157558258 is 852855751.

157558258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 275166 + ... + 275737.

It is an arithmetic number, because the mean of its divisors is an integer number (17353476).

Almost surely, 2157558258 is an apocalyptic number.

157558258 is a deficient number, since it is larger than the sum of its proper divisors (120097358).

157558258 is a wasteful number, since it uses less digits than its factorization.

157558258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550929.

The product of its digits is 560000, while the sum is 46.

The square root of 157558258 is about 12552.2212376934. The cubic root of 157558258 is about 540.1077265645.

The spelling of 157558258 in words is "one hundred fifty-seven million, five hundred fifty-eight thousand, two hundred fifty-eight".

Divisors: 1 2 11 13 22 26 143 286 550903 1101806 6059933 7161739 12119866 14323478 78779129 157558258