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83240713 = 3747151317
BaseRepresentation
bin1001111011000…
…10011100001001
312210122001210101
410331202130021
5132302200323
612132045401
72030351203
oct475423411
9183561711
1083240713
1142a94a86
1223a63861
131432647a
14b0ab773
157493dad
hex4f62709

83240713 has 16 divisors (see below), whose sum is σ = 88164864. Its totient is φ = 78494400.

The previous prime is 83240699. The next prime is 83240723. The reversal of 83240713 is 31704238.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83240713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83240723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262431 + ... + 262747.

It is an arithmetic number, because the mean of its divisors is an integer number (5510304).

Almost surely, 283240713 is an apocalyptic number.

It is an amenable number.

83240713 is a deficient number, since it is larger than the sum of its proper divisors (4924151).

83240713 is a wasteful number, since it uses less digits than its factorization.

83240713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 83240713 is about 9123.6348567882. The cubic root of 83240713 is about 436.6283497512.

The spelling of 83240713 in words is "eighty-three million, two hundred forty thousand, seven hundred thirteen".

Divisors: 1 37 47 151 317 1739 5587 7097 11729 14899 47867 262589 551263 1771079 2249749 83240713