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157850743 = 233677471
BaseRepresentation
bin10010110100010…
…01110001110111
3102000000122111211
421122021301313
5310402210433
623355142251
73624465151
oct1132116167
9360018454
10157850743
1181114666
1244a44987
132691a40b
1416d6dad1
15dcd08cd
hex9689c77

157850743 has 4 divisors (see below), whose sum is σ = 158528448. Its totient is φ = 157173040.

The previous prime is 157850731. The next prime is 157850761. The reversal of 157850743 is 347058751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 347058751 = 1326696827.

It is a cyclic number.

It is not a de Polignac number, because 157850743 - 25 = 157850711 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157850696 and 157850705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157850723) 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, 338503 + ... + 338968.

It is an arithmetic number, because the mean of its divisors is an integer number (39632112).

Almost surely, 2157850743 is an apocalyptic number.

157850743 is a deficient number, since it is larger than the sum of its proper divisors (677705).

157850743 is an equidigital number, since it uses as much as digits as its factorization.

157850743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677704.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 157850743 is about 12563.8665624878. The cubic root of 157850743 is about 540.4417316054.

The spelling of 157850743 in words is "one hundred fifty-seven million, eight hundred fifty thousand, seven hundred forty-three".

Divisors: 1 233 677471 157850743