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75695957 = 354121377
BaseRepresentation
bin1001000001100…
…00011101010101
312021102202022222
410200300131111
5123334232312
611302232125
71606255631
oct440603525
9167382288
1075695957
1139801547
1221425645
13128b430c
14a0a5dc1
1569a3672
hex4830755

75695957 has 4 divisors (see below), whose sum is σ = 75720876. Its totient is φ = 75671040.

The previous prime is 75695941. The next prime is 75695959. The reversal of 75695957 is 75959657.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16313521 + 59382436 = 4039^2 + 7706^2 .

It is a cyclic number.

It is not a de Polignac number, because 75695957 - 24 = 75695941 is a prime.

It is a super-2 number, since 2×756959572 = 11459755812291698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75695899 and 75695908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75695959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7148 + ... + 14229.

It is an arithmetic number, because the mean of its divisors is an integer number (18930219).

Almost surely, 275695957 is an apocalyptic number.

It is an amenable number.

75695957 is a deficient number, since it is larger than the sum of its proper divisors (24919).

75695957 is a wasteful number, since it uses less digits than its factorization.

75695957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24918.

The product of its digits is 2976750, while the sum is 53.

The square root of 75695957 is about 8700.3423495860. The cubic root of 75695957 is about 423.0167471345.

The spelling of 75695957 in words is "seventy-five million, six hundred ninety-five thousand, nine hundred fifty-seven".

Divisors: 1 3541 21377 75695957