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157310043 = 3112433361
BaseRepresentation
bin10010110000001…
…01110001011011
3101222000011210220
421120011301123
5310232410133
623335411123
73620053602
oct1130056133
9358004726
10157310043
1180885400
1244823aa3
132678b287
1416c6ca39
15dc255b3
hex9605c5b

157310043 has 12 divisors (see below), whose sum is σ = 230548584. Its totient is φ = 95339200.

The previous prime is 157310029. The next prime is 157310057. The reversal of 157310043 is 340013751.

It is an interprime number because it is at equal distance from previous prime (157310029) and next prime (157310057).

It is a de Polignac number, because none of the positive numbers 2k-157310043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157309995 and 157310022.

It is not an unprimeable number, because it can be changed into a prime (157310143) 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 11 ways as a sum of consecutive naturals, for example, 216318 + ... + 217043.

It is an arithmetic number, because the mean of its divisors is an integer number (19212382).

Almost surely, 2157310043 is an apocalyptic number.

157310043 is a deficient number, since it is larger than the sum of its proper divisors (73238541).

157310043 is a wasteful number, since it uses less digits than its factorization.

157310043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433386 (or 433375 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 157310043 is about 12542.3300466859. The cubic root of 157310043 is about 539.8239515280.

Adding to 157310043 its reverse (340013751), we get a palindrome (497323794).

The spelling of 157310043 in words is "one hundred fifty-seven million, three hundred ten thousand, forty-three".

Divisors: 1 3 11 33 121 363 433361 1300083 4766971 14300913 52436681 157310043