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50660731 = 1117270913
BaseRepresentation
bin1100000101000…
…0010101111011
310112022211110101
43001100111323
5100432120411
65005500231
71153415632
oct301202573
9115284411
1050660731
1126662180
1214b71677
13a65a084
146a2a519
1546aa8c1
hex305057b

50660731 has 8 divisors (see below), whose sum is σ = 58517424. Its totient is φ = 43345920.

The previous prime is 50660723. The next prime is 50660741. The reversal of 50660731 is 13706605.

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

It is not a de Polignac number, because 50660731 - 23 = 50660723 is a prime.

It is a super-2 number, since 2×506607312 = 5133019330908722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50660731.

It is not an unprimeable number, because it can be changed into a prime (50660741) 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, 135270 + ... + 135643.

It is an arithmetic number, because the mean of its divisors is an integer number (7314678).

Almost surely, 250660731 is an apocalyptic number.

50660731 is a deficient number, since it is larger than the sum of its proper divisors (7856693).

50660731 is a wasteful number, since it uses less digits than its factorization.

50660731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270941.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 50660731 is about 7117.6352112201. The cubic root of 50660731 is about 370.0188230015.

The spelling of 50660731 in words is "fifty million, six hundred sixty thousand, seven hundred thirty-one".

Divisors: 1 11 17 187 270913 2980043 4605521 50660731