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50313402 = 2322795189
BaseRepresentation
bin1011111111101…
…1100010111010
310111200012000100
42333323202322
5100340012102
64554220230
71150441206
oct277734272
9114605010
1050313402
1126445227
1214a24676
13a567c59
146979b06
15463ca1c
hex2ffb8ba

50313402 has 12 divisors (see below), whose sum is σ = 109012410. Its totient is φ = 16771128.

The previous prime is 50313401. The next prime is 50313427. The reversal of 50313402 is 20431305.

It can be written as a sum of positive squares in only one way, i.e., 31573161 + 18740241 = 5619^2 + 4329^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2795189 = 50313402 / (5 + 0 + 3 + 1 + 3 + 4 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (50313401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1397577 + ... + 1397612.

Almost surely, 250313402 is an apocalyptic number.

50313402 is an abundant number, since it is smaller than the sum of its proper divisors (58699008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50313402 is a wasteful number, since it uses less digits than its factorization.

50313402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795197 (or 2795194 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50313402 is about 7093.1940619160. The cubic root of 50313402 is about 369.1712691182.

Adding to 50313402 its reverse (20431305), we get a palindrome (70744707).

The spelling of 50313402 in words is "fifty million, three hundred thirteen thousand, four hundred two".

Divisors: 1 2 3 6 9 18 2795189 5590378 8385567 16771134 25156701 50313402