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75714644 = 22148112781
BaseRepresentation
bin1001000001101…
…01000001010100
312021110200222002
410200311001110
5123340332034
611302454432
71606364255
oct440650124
9167420862
1075714644
1139814595
1221434418
13128bc985
14a0acb2c
1569a8e7e
hex4835054

75714644 has 12 divisors (see below), whose sum is σ = 132600468. Its totient is φ = 37828800.

The previous prime is 75714637. The next prime is 75714647. The reversal of 75714644 is 44641757.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44488900 + 31225744 = 6670^2 + 5588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75714598 and 75714607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75714647) 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, 467 + ... + 12314.

It is an arithmetic number, because the mean of its divisors is an integer number (11050039).

Almost surely, 275714644 is an apocalyptic number.

It is an amenable number.

75714644 is a deficient number, since it is larger than the sum of its proper divisors (56885824).

75714644 is a wasteful number, since it uses less digits than its factorization.

75714644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266 (or 14264 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 75714644 is about 8701.4162065724. The cubic root of 75714644 is about 423.0515542051.

The spelling of 75714644 in words is "seventy-five million, seven hundred fourteen thousand, six hundred forty-four".

Divisors: 1 2 4 1481 2962 5924 12781 25562 51124 18928661 37857322 75714644