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157810342 = 2401196771
BaseRepresentation
bin10010110011111…
…11111010100110
3101222221121002111
421121333322212
5310344412332
623354231234
73624236314
oct1131777246
9358847074
10157810342
1181097278
1244a2551a
1326904c01
1416d5d0b4
15dcc3947
hex967fea6

157810342 has 8 divisors (see below), whose sum is σ = 237307032. Its totient is φ = 78708000.

The previous prime is 157810313. The next prime is 157810343. The reversal of 157810342 is 243018751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157810343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97584 + ... + 99187.

It is an arithmetic number, because the mean of its divisors is an integer number (29663379).

Almost surely, 2157810342 is an apocalyptic number.

157810342 is a deficient number, since it is larger than the sum of its proper divisors (79496690).

157810342 is a wasteful number, since it uses less digits than its factorization.

157810342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197174.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 157810342 is about 12562.2586344972. The cubic root of 157810342 is about 540.3956200085.

The spelling of 157810342 in words is "one hundred fifty-seven million, eight hundred ten thousand, three hundred forty-two".

Divisors: 1 2 401 802 196771 393542 78905171 157810342