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140863802 = 2172243709
BaseRepresentation
bin10000110010101…
…10100100111010
3100211001121210212
420121112210322
5242030120202
621551111122
73330215432
oct1031264472
9324047725
10140863802
1172572072
123b2124a2
1323250581
14149cb2c2
15c577652
hex865693a

140863802 has 12 divisors (see below), whose sum is σ = 224456910. Its totient is φ = 66288576.

The previous prime is 140863781. The next prime is 140863813. The reversal of 140863802 is 208368041.

It can be written as a sum of positive squares in 3 ways, for example, as 138556441 + 2307361 = 11771^2 + 1519^2 .

It is a super-2 number, since 2×1408638022 = 39685221427790408, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 121277 + ... + 122432.

Almost surely, 2140863802 is an apocalyptic number.

140863802 is a deficient number, since it is larger than the sum of its proper divisors (83593108).

140863802 is a wasteful number, since it uses less digits than its factorization.

140863802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243745 (or 243728 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 140863802 is about 11868.6057310874. The cubic root of 140863802 is about 520.3151467375.

The spelling of 140863802 in words is "one hundred forty million, eight hundred sixty-three thousand, eight hundred two".

Divisors: 1 2 17 34 289 578 243709 487418 4143053 8286106 70431901 140863802