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50136051 = 372387431
BaseRepresentation
bin1011111101000…
…0001111110011
310111100011201210
42333100033303
5100313323201
64550331203
71146102150
oct277201763
9114304653
1050136051
1126333a59
1214959b03
13a505304
146931227
1546051d6
hex2fd03f3

50136051 has 8 divisors (see below), whose sum is σ = 76397824. Its totient is φ = 28649160.

The previous prime is 50136019. The next prime is 50136089. The reversal of 50136051 is 15063105.

It is a happy number.

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

It is not a de Polignac number, because 50136051 - 25 = 50136019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2387431 = 50136051 / (5 + 0 + 1 + 3 + 6 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50136091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193695 + ... + 1193736.

It is an arithmetic number, because the mean of its divisors is an integer number (9549728).

Almost surely, 250136051 is an apocalyptic number.

50136051 is a deficient number, since it is larger than the sum of its proper divisors (26261773).

50136051 is a wasteful number, since it uses less digits than its factorization.

50136051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387441.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 50136051 is about 7080.6815349936. The cubic root of 50136051 is about 368.7369913634.

Adding to 50136051 its reverse (15063105), we get a palindrome (65199156).

The spelling of 50136051 in words is "fifty million, one hundred thirty-six thousand, fifty-one".

Divisors: 1 3 7 21 2387431 7162293 16712017 50136051