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157443429 = 31113367001
BaseRepresentation
bin10010110001001…
…10010101100101
3101222020221210010
421120212111211
5310301142204
623342320433
73621150513
oct1130462545
9358227703
10157443429
1180966640
1244889119
1326806bc0
1416ca54b3
15dc4ed89
hex9626565

157443429 has 16 divisors (see below), whose sum is σ = 246625344. Its totient is φ = 88080000.

The previous prime is 157443359. The next prime is 157443437. The reversal of 157443429 is 924344751.

It is not a de Polignac number, because 157443429 - 29 = 157442917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157443449) 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 15 ways as a sum of consecutive naturals, for example, 183072 + ... + 183929.

It is an arithmetic number, because the mean of its divisors is an integer number (15414084).

Almost surely, 2157443429 is an apocalyptic number.

It is an amenable number.

157443429 is a deficient number, since it is larger than the sum of its proper divisors (89181915).

157443429 is a wasteful number, since it uses less digits than its factorization.

157443429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367028.

The product of its digits is 120960, while the sum is 39.

The square root of 157443429 is about 12547.6463530018. The cubic root of 157443429 is about 539.9764838868.

The spelling of 157443429 in words is "one hundred fifty-seven million, four hundred forty-three thousand, four hundred twenty-nine".

Divisors: 1 3 11 13 33 39 143 429 367001 1101003 4037011 4771013 12111033 14313039 52481143 157443429