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42115339 = 79376421
BaseRepresentation
bin1010000010101…
…0000100001011
32221020200101101
42200222010023
541240142324
64102402231
71020655150
oct240520413
987220341
1042115339
1121855972
1212130377
138957626
145844227
153a6d944
hex282a10b

42115339 has 8 divisors (see below), whose sum is σ = 48190688. Its totient is φ = 36054720.

The previous prime is 42115331. The next prime is 42115349. The reversal of 42115339 is 93351124.

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

It is a cyclic number.

It is not a de Polignac number, because 42115339 - 23 = 42115331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42115331) 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, 3349 + ... + 9769.

It is an arithmetic number, because the mean of its divisors is an integer number (6023836).

Almost surely, 242115339 is an apocalyptic number.

42115339 is a deficient number, since it is larger than the sum of its proper divisors (6075349).

42115339 is an equidigital number, since it uses as much as digits as its factorization.

42115339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365.

The product of its digits is 3240, while the sum is 28.

The square root of 42115339 is about 6489.6331945650. The cubic root of 42115339 is about 347.9205652800.

The spelling of 42115339 in words is "forty-two million, one hundred fifteen thousand, three hundred thirty-nine".

Divisors: 1 7 937 6421 6559 44947 6016477 42115339