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50728100 = 22521926699
BaseRepresentation
bin1100000110000…
…0110010100100
310112110020212112
43001200302210
5100441244400
65011140152
71154116223
oct301406244
9115406775
1050728100
11266a8855
1214ba4658
13a681937
146a46cba
1546c0835
hex3060ca4

50728100 has 36 divisors (see below), whose sum is σ = 115878000. Its totient is φ = 19222560.

The previous prime is 50728079. The next prime is 50728103. The reversal of 50728100 is 182705.

It is a super-2 number, since 2×507281002 = 5146680259220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50728103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11450 + ... + 15249.

Almost surely, 250728100 is an apocalyptic number.

50728100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50728100 is an abundant number, since it is smaller than the sum of its proper divisors (65149900).

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

50728100 is a wasteful number, since it uses less digits than its factorization.

50728100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26732 (or 26725 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 50728100 is about 7122.3661798591. The cubic root of 50728100 is about 370.1827682376.

The spelling of 50728100 in words is "fifty million, seven hundred twenty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 26699 53398 106796 133495 266990 507281 533980 667475 1014562 1334950 2029124 2536405 2669900 5072810 10145620 12682025 25364050 50728100