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75955025 = 523038201
BaseRepresentation
bin1001000011011…
…11101101010001
312021220220201002
410201233231101
5123421030100
611311551345
71611415136
oct441575521
9167826632
1075955025
1139969153
122152b555
1312975203
14a13258d
156a052d5
hex486fb51

75955025 has 6 divisors (see below), whose sum is σ = 94184262. Its totient is φ = 60764000.

The previous prime is 75955013. The next prime is 75955037. The reversal of 75955025 is 52055957.

It is an interprime number because it is at equal distance from previous prime (75955013) and next prime (75955037).

It can be written as a sum of positive squares in 3 ways, for example, as 543169 + 75411856 = 737^2 + 8684^2 .

It is a de Polignac number, because none of the positive numbers 2k-75955025 is a prime.

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 75955025.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1519076 + ... + 1519125.

It is an arithmetic number, because the mean of its divisors is an integer number (15697377).

Almost surely, 275955025 is an apocalyptic number.

It is an amenable number.

75955025 is a deficient number, since it is larger than the sum of its proper divisors (18229237).

75955025 is a wasteful number, since it uses less digits than its factorization.

75955025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038211 (or 3038206 counting only the distinct ones).

The product of its (nonzero) digits is 78750, while the sum is 38.

The square root of 75955025 is about 8715.2180121899. The cubic root of 75955025 is about 423.4987866022.

The spelling of 75955025 in words is "seventy-five million, nine hundred fifty-five thousand, twenty-five".

Divisors: 1 5 25 3038201 15191005 75955025