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140663200 = 2552175829
BaseRepresentation
bin10000110001001…
…01100110100000
3100210200102122011
420120211212200
5242002210300
621542522304
73325421536
oct1030454640
9323612564
10140663200
1172445387
123b136394
13231b0182
1414978156
15c537eba
hex86259a0

140663200 has 36 divisors (see below), whose sum is σ = 343395990. Its totient is φ = 56264960.

The previous prime is 140663179. The next prime is 140663203. The reversal of 140663200 is 2366041.

It can be written as a sum of positive squares in 3 ways, for example, as 51322896 + 89340304 = 7164^2 + 9452^2 .

It is a super-2 number, since 2×1406632002 = 39572271668480000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140663203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 87115 + ... + 88714.

Almost surely, 2140663200 is an apocalyptic number.

140663200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140663200 is an abundant number, since it is smaller than the sum of its proper divisors (202732790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140663200 is a wasteful number, since it uses less digits than its factorization.

140663200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175849 (or 175836 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 140663200 is about 11860.1517696866. The cubic root of 140663200 is about 520.0680384345.

The spelling of 140663200 in words is "one hundred forty million, six hundred sixty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 175829 351658 703316 879145 1406632 1758290 2813264 3516580 4395725 5626528 7033160 8791450 14066320 17582900 28132640 35165800 70331600 140663200