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75644014 = 246381689
BaseRepresentation
bin1001000001000…
…11110001101110
312021100010002011
410200203301232
5123331102024
611301151434
71605651325
oct440436156
9167303064
1075644014
1139776516
12213bb57a
1312896794
14a0910bc
156993094
hex4823c6e

75644014 has 8 divisors (see below), whose sum is σ = 113712480. Its totient is φ = 37739856.

The previous prime is 75644003. The next prime is 75644029. The reversal of 75644014 is 41044657.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39919 + ... + 41770.

It is an arithmetic number, because the mean of its divisors is an integer number (14214060).

Almost surely, 275644014 is an apocalyptic number.

75644014 is a deficient number, since it is larger than the sum of its proper divisors (38068466).

75644014 is a wasteful number, since it uses less digits than its factorization.

75644014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82154.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 75644014 is about 8697.3567248906. The cubic root of 75644014 is about 422.9199661542.

The spelling of 75644014 in words is "seventy-five million, six hundred forty-four thousand, fourteen".

Divisors: 1 2 463 926 81689 163378 37822007 75644014