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75384701 = 710769243
BaseRepresentation
bin1000111111001…
…00011101111101
312020211221100222
410133210131331
5123244302301
611251431125
71603521320
oct437443575
9166757328
1075384701
1139609707
12212b54a5
1312805742
14a0247b7
15694131b
hex47e477d

75384701 has 4 divisors (see below), whose sum is σ = 86153952. Its totient is φ = 64615452.

The previous prime is 75384679. The next prime is 75384707. The reversal of 75384701 is 10748357.

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 not a de Polignac number, because 75384701 - 26 = 75384637 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 (75384707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5384615 + ... + 5384628.

It is an arithmetic number, because the mean of its divisors is an integer number (21538488).

Almost surely, 275384701 is an apocalyptic number.

It is an amenable number.

75384701 is a deficient number, since it is larger than the sum of its proper divisors (10769251).

75384701 is a wasteful number, since it uses less digits than its factorization.

75384701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10769250.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 75384701 is about 8682.4363516239. The cubic root of 75384701 is about 422.4361464137.

The spelling of 75384701 in words is "seventy-five million, three hundred eighty-four thousand, seven hundred one".

Divisors: 1 7 10769243 75384701