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75484453 = 116862223
BaseRepresentation
bin1000111111111…
…00110100100101
312021001000012111
410133330310211
5123311000303
611253521021
71604415202
oct437746445
9167030174
1075484453
1139677650
1221343171
131283bc75
14a04cca9
156960b6d
hex47fcd25

75484453 has 4 divisors (see below), whose sum is σ = 82346688. Its totient is φ = 68622220.

The previous prime is 75484441. The next prime is 75484469. The reversal of 75484453 is 35448457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-75484453 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 (75484483) 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, 3431101 + ... + 3431122.

It is an arithmetic number, because the mean of its divisors is an integer number (20586672).

Almost surely, 275484453 is an apocalyptic number.

It is an amenable number.

75484453 is a deficient number, since it is larger than the sum of its proper divisors (6862235).

75484453 is a wasteful number, since it uses less digits than its factorization.

75484453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6862234.

The product of its digits is 268800, while the sum is 40.

The square root of 75484453 is about 8688.1789231116. The cubic root of 75484453 is about 422.6223923274.

The spelling of 75484453 in words is "seventy-five million, four hundred eighty-four thousand, four hundred fifty-three".

Divisors: 1 11 6862223 75484453