Search a number
-
+
157026771 = 321113911411
BaseRepresentation
bin10010101110000…
…00100111010011
3101221110210020100
421113000213103
5310144324041
623325343443
73614463666
oct1127004723
9357423210
10157026771
11807015a0
1244707b83
13266bc365
1416bd76dd
15dbbb6b6
hex95c09d3

157026771 has 24 divisors (see below), whose sum is σ = 249238080. Its totient is φ = 94474800.

The previous prime is 157026769. The next prime is 157026791. The reversal of 157026771 is 177620751.

It is not a de Polignac number, because 157026771 - 21 = 157026769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157026791) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8056 + ... + 19466.

It is an arithmetic number, because the mean of its divisors is an integer number (10384920).

Almost surely, 2157026771 is an apocalyptic number.

157026771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

157026771 is a deficient number, since it is larger than the sum of its proper divisors (92211309).

157026771 is a wasteful number, since it uses less digits than its factorization.

157026771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11567 (or 11564 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 157026771 is about 12531.0323198051. The cubic root of 157026771 is about 539.4997321573.

The spelling of 157026771 in words is "one hundred fifty-seven million, twenty-six thousand, seven hundred seventy-one".

Divisors: 1 3 9 11 33 99 139 417 1251 1529 4587 11411 13761 34233 102699 125521 376563 1129689 1586129 4758387 14275161 17447419 52342257 157026771