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50222988 = 22321395083
BaseRepresentation
bin1011111110010…
…1011110001100
310111111120222200
42333211132030
5100324113423
64552241500
71146613464
oct277453614
9114446880
1050222988
1126393302
12149a0290
13a535a5a
146954ba4
154620d43
hex2fe578c

50222988 has 18 divisors (see below), whose sum is σ = 126952644. Its totient is φ = 16740984.

The previous prime is 50222987. The next prime is 50222989. The reversal of 50222988 is 88922205.

It is an interprime number because it is at equal distance from previous prime (50222987) and next prime (50222989).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1395083 = 50222988 / (5 + 0 + 2 + 2 + 2 + 9 + 8 + 8).

It is not an unprimeable number, because it can be changed into a prime (50222987) 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, 697506 + ... + 697577.

Almost surely, 250222988 is an apocalyptic number.

It is an amenable number.

50222988 is an abundant number, since it is smaller than the sum of its proper divisors (76729656).

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

50222988 is a wasteful number, since it uses less digits than its factorization.

50222988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395093 (or 1395088 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 50222988 is about 7086.8179036857. The cubic root of 50222988 is about 368.9500009370.

The spelling of 50222988 in words is "fifty million, two hundred twenty-two thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1395083 2790166 4185249 5580332 8370498 12555747 16740996 25111494 50222988