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42501315 = 352833421
BaseRepresentation
bin1010001000100…
…0010011000011
32221222021211210
42202020103003
541340020230
64114541203
71024153353
oct242102303
987867753
1042501315
1121a9995a
1212297803
138a6120c
145904b63
153ae7eb0
hex28884c3

42501315 has 8 divisors (see below), whose sum is σ = 68002128. Its totient is φ = 22667360.

The previous prime is 42501311. The next prime is 42501359. The reversal of 42501315 is 51310524.

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

It is not a de Polignac number, because 42501315 - 22 = 42501311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42501291 and 42501300.

It is not an unprimeable number, because it can be changed into a prime (42501311) 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, 1416696 + ... + 1416725.

It is an arithmetic number, because the mean of its divisors is an integer number (8500266).

Almost surely, 242501315 is an apocalyptic number.

42501315 is a deficient number, since it is larger than the sum of its proper divisors (25500813).

42501315 is a wasteful number, since it uses less digits than its factorization.

42501315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833429.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42501315 is about 6519.3032603185. The cubic root of 42501315 is about 348.9802015572.

Adding to 42501315 its reverse (51310524), we get a palindrome (93811839).

It can be divided in two parts, 4250 and 1315, that added together give a triangular number (5565 = T105).

The spelling of 42501315 in words is "forty-two million, five hundred one thousand, three hundred fifteen".

Divisors: 1 3 5 15 2833421 8500263 14167105 42501315