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75513053 = 711980689
BaseRepresentation
bin1001000000000…
…11110011011101
312021002110102202
410200003303131
5123312404203
611254301245
71604564450
oct440036335
9167073382
1075513053
1139697090
1221357825
131284bca5
14a059497
156969388
hex4803cdd

75513053 has 8 divisors (see below), whose sum is σ = 94146240. Its totient is φ = 58841280.

The previous prime is 75513043. The next prime is 75513073. The reversal of 75513053 is 35031557.

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

It is a cyclic number.

It is not a de Polignac number, because 75513053 - 26 = 75512989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75513023) 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, 490268 + ... + 490421.

It is an arithmetic number, because the mean of its divisors is an integer number (11768280).

Almost surely, 275513053 is an apocalyptic number.

It is an amenable number.

75513053 is a deficient number, since it is larger than the sum of its proper divisors (18633187).

75513053 is a wasteful number, since it uses less digits than its factorization.

75513053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980707.

The product of its (nonzero) digits is 7875, while the sum is 29.

The square root of 75513053 is about 8689.8246817758. The cubic root of 75513053 is about 422.6757608191.

The spelling of 75513053 in words is "seventy-five million, five hundred thirteen thousand, fifty-three".

Divisors: 1 7 11 77 980689 6864823 10787579 75513053