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102739241 = 1118315101
BaseRepresentation
bin1100001111110…
…10110100101001
321011022200202002
412013322310221
5202300123431
614110020345
72355161213
oct607726451
9234280662
10102739241
1152aa2570
122a4a76b5
1318392567
14d9055b3
1590463cb
hex61fad29

102739241 has 8 divisors (see below), whose sum is σ = 112162368. Its totient is φ = 93330000.

The previous prime is 102739163. The next prime is 102739271. The reversal of 102739241 is 142937201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102739241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102739271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17591 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (14020296).

Almost surely, 2102739241 is an apocalyptic number.

102739241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102739241 is a deficient number, since it is larger than the sum of its proper divisors (9423127).

102739241 is a wasteful number, since it uses less digits than its factorization.

102739241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6943.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 102739241 is about 10136.0367501307. The cubic root of 102739241 is about 468.3589075444.

The spelling of 102739241 in words is "one hundred two million, seven hundred thirty-nine thousand, two hundred forty-one".

Divisors: 1 11 1831 5101 20141 56111 9339931 102739241