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140808868 = 2235202217
BaseRepresentation
bin10000110010010…
…01001010100100
3100210221211110021
420121021022210
5242021340433
621550004524
73326566324
oct1031111244
9323854407
10140808868
1172534872
123b1a6744
1323231575
14149b5284
15c56622d
hex86492a4

140808868 has 6 divisors (see below), whose sum is σ = 246415526. Its totient is φ = 70404432.

The previous prime is 140808839. The next prime is 140808881. The reversal of 140808868 is 868808041.

It can be written as a sum of positive squares in only one way, i.e., 99361024 + 41447844 = 9968^2 + 6438^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17601105 + ... + 17601112.

Almost surely, 2140808868 is an apocalyptic number.

It is an amenable number.

140808868 is a deficient number, since it is larger than the sum of its proper divisors (105606658).

140808868 is a wasteful number, since it uses less digits than its factorization.

140808868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35202221 (or 35202219 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The square root of 140808868 is about 11866.2912487432. The cubic root of 140808868 is about 520.2475005235.

The spelling of 140808868 in words is "one hundred forty million, eight hundred eight thousand, eight hundred sixty-eight".

Divisors: 1 2 4 35202217 70404434 140808868