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157571430 = 2355252381
BaseRepresentation
bin10010110010001…
…01100101100110
3101222111110100220
421121011211212
5310314241210
623345145210
73622222632
oct1131054546
9358443326
10157571430
1180a43825
124492b206
1326850243
1416cd9dc2
15dc77c70
hex9645966

157571430 has 16 divisors (see below), whose sum is σ = 378171504. Its totient is φ = 42019040.

The previous prime is 157571429. The next prime is 157571431. The reversal of 157571430 is 34175751.

It is an interprime number because it is at equal distance from previous prime (157571429) and next prime (157571431).

It is a junction number, because it is equal to n+sod(n) for n = 157571391 and 157571400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157571431) 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 7 ways as a sum of consecutive naturals, for example, 2626161 + ... + 2626220.

It is an arithmetic number, because the mean of its divisors is an integer number (23635719).

Almost surely, 2157571430 is an apocalyptic number.

157571430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157571430 is an abundant number, since it is smaller than the sum of its proper divisors (220600074).

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

157571430 is a wasteful number, since it uses less digits than its factorization.

157571430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5252391.

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 157571430 is about 12552.7459147391. The cubic root of 157571430 is about 540.1227772952.

The spelling of 157571430 in words is "one hundred fifty-seven million, five hundred seventy-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5252381 10504762 15757143 26261905 31514286 52523810 78785715 157571430