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140915275 = 5238314717
BaseRepresentation
bin10000110011000…
…11001001001011
3100211011020102021
420121203021023
5242033242100
621552145311
73330521464
oct1031431113
9324136367
10140915275
11725a7806
123b238237
132326ab27
1414a01d6b
15c587a1a
hex866324b

140915275 has 12 divisors (see below), whose sum is σ = 175203072. Its totient is φ = 112430240.

The previous prime is 140915251. The next prime is 140915279. The reversal of 140915275 is 572519041.

It is a de Polignac number, because none of the positive numbers 2k-140915275 is a prime.

It is a super-2 number, since 2×1409152752 = 39714229456651250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140915275.

It is not an unprimeable number, because it can be changed into a prime (140915279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217 + ... + 16933.

It is an arithmetic number, because the mean of its divisors is an integer number (14600256).

Almost surely, 2140915275 is an apocalyptic number.

140915275 is a deficient number, since it is larger than the sum of its proper divisors (34287797).

140915275 is a wasteful number, since it uses less digits than its factorization.

140915275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15110 (or 15105 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 140915275 is about 11870.7739848756. The cubic root of 140915275 is about 520.3785150873.

The spelling of 140915275 in words is "one hundred forty million, nine hundred fifteen thousand, two hundred seventy-five".

Divisors: 1 5 25 383 1915 9575 14717 73585 367925 5636611 28183055 140915275