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75690197 = 1137185971
BaseRepresentation
bin1001000001011…
…11000011010101
312021102110102122
410200233003111
5123334041242
611302145325
71606233062
oct440570325
9167373378
1075690197
11397a8190
1221422245
13128b17cb
14a0a3c69
1569a1ad2
hex482f0d5

75690197 has 8 divisors (see below), whose sum is σ = 84803232. Its totient is φ = 66949200.

The previous prime is 75690193. The next prime is 75690229. The reversal of 75690197 is 79109657.

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 75690197 - 22 = 75690193 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 (75690193) 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, 92579 + ... + 93392.

It is an arithmetic number, because the mean of its divisors is an integer number (10600404).

Almost surely, 275690197 is an apocalyptic number.

It is an amenable number.

75690197 is a deficient number, since it is larger than the sum of its proper divisors (9113035).

75690197 is a wasteful number, since it uses less digits than its factorization.

75690197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186019.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 75690197 is about 8700.0113218317. The cubic root of 75690197 is about 423.0060171987.

The spelling of 75690197 in words is "seventy-five million, six hundred ninety thousand, one hundred ninety-seven".

Divisors: 1 11 37 407 185971 2045681 6880927 75690197