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75116789 = 117878677
BaseRepresentation
bin1000111101000…
…11000011110101
312020100022212022
410132203003311
5123212214124
611242002525
71601324246
oct436430365
9166308768
1075116789
11394463a0
12211a6445
1312740807
149d94ccd
1568dbc5e
hex47a30f5

75116789 has 8 divisors (see below), whose sum is σ = 82059168. Its totient is φ = 68193360.

The previous prime is 75116779. The next prime is 75116791. The reversal of 75116789 is 98761157.

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 75116789 - 224 = 58339573 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 (75116719) 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, 4319 + ... + 12995.

It is an arithmetic number, because the mean of its divisors is an integer number (10257396).

Almost surely, 275116789 is an apocalyptic number.

It is an amenable number.

75116789 is a deficient number, since it is larger than the sum of its proper divisors (6942379).

75116789 is a wasteful number, since it uses less digits than its factorization.

75116789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9475.

The product of its digits is 105840, while the sum is 44.

The square root of 75116789 is about 8666.9942309892. The cubic root of 75116789 is about 421.9351161447.

The spelling of 75116789 in words is "seventy-five million, one hundred sixteen thousand, seven hundred eighty-nine".

Divisors: 1 11 787 8657 8677 95447 6828799 75116789