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50103157 = 133854089
BaseRepresentation
bin1011111100100…
…0001101110101
310111021111121111
42333020031311
5100311300112
64545515021
71145604226
oct277101565
9114244544
1050103157
1126311275
1214942a71
13a4c3350
14692324d
1545ea5a7
hex2fc8375

50103157 has 4 divisors (see below), whose sum is σ = 53957260. Its totient is φ = 46249056.

The previous prime is 50103149. The next prime is 50103181. The reversal of 50103157 is 75130105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75130105 = 515026021.

It can be written as a sum of positive squares in 2 ways, for example, as 15163236 + 34939921 = 3894^2 + 5911^2 .

It is a cyclic number.

It is not a de Polignac number, because 50103157 - 23 = 50103149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50103197) 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, 1927032 + ... + 1927057.

It is an arithmetic number, because the mean of its divisors is an integer number (13489315).

Almost surely, 250103157 is an apocalyptic number.

It is an amenable number.

50103157 is a deficient number, since it is larger than the sum of its proper divisors (3854103).

50103157 is a wasteful number, since it uses less digits than its factorization.

50103157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3854102.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 50103157 is about 7078.3583548730. The cubic root of 50103157 is about 368.6563315855.

The spelling of 50103157 in words is "fifty million, one hundred three thousand, one hundred fifty-seven".

Divisors: 1 13 3854089 50103157