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75225763 = 173434831
BaseRepresentation
bin1000111101111…
…01101010100011
312020112212100101
410132331222203
5123224211023
611244203231
71602260044
oct436755243
9166485311
1075225763
1139510258
1221239517
131277b2b2
149dc28cb
15690e1ad
hex47bdaa3

75225763 has 4 divisors (see below), whose sum is σ = 75660768. Its totient is φ = 74790760.

The previous prime is 75225727. The next prime is 75225817. The reversal of 75225763 is 36752257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36752257 = 255114407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75225763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75225713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217243 + ... + 217588.

It is an arithmetic number, because the mean of its divisors is an integer number (18915192).

Almost surely, 275225763 is an apocalyptic number.

75225763 is a deficient number, since it is larger than the sum of its proper divisors (435005).

75225763 is a wasteful number, since it uses less digits than its factorization.

75225763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435004.

The product of its digits is 88200, while the sum is 37.

The square root of 75225763 is about 8673.2786764868. The cubic root of 75225763 is about 422.1390551977.

The spelling of 75225763 in words is "seventy-five million, two hundred twenty-five thousand, seven hundred sixty-three".

Divisors: 1 173 434831 75225763