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157514430 = 23546711243
BaseRepresentation
bin10010110001101…
…11101010111110
3101222101120011210
421120313222332
5310310430210
623344025250
73621564513
oct1130675276
9358346153
10157514430
1180a04a17
1244902226
1326830308
1416cc330a
15dc65e20
hex9637abe

157514430 has 32 divisors (see below), whose sum is σ = 378877824. Its totient is φ = 41910176.

The previous prime is 157514411. The next prime is 157514431. The reversal of 157514430 is 34415751.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157514431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8389 + ... + 19631.

It is an arithmetic number, because the mean of its divisors is an integer number (11839932).

Almost surely, 2157514430 is an apocalyptic number.

157514430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157514430 is an abundant number, since it is smaller than the sum of its proper divisors (221363394).

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

157514430 is a wasteful number, since it uses less digits than its factorization.

157514430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11720.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 157514430 is about 12550.4752898048. The cubic root of 157514430 is about 540.0576413092.

The spelling of 157514430 in words is "one hundred fifty-seven million, five hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 467 934 1401 2335 2802 4670 7005 11243 14010 22486 33729 56215 67458 112430 168645 337290 5250481 10500962 15751443 26252405 31502886 52504810 78757215 157514430