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159938900 = 225211145399
BaseRepresentation
bin10011000100001…
…11100101010100
3102010221201220222
421202013211110
5311421021100
623512013512
73651313112
oct1142074524
9363851828
10159938900
1182310510
1245691298
132719ba04
1417354ab2
15e094485
hex9887954

159938900 has 36 divisors (see below), whose sum is σ = 378621600. Its totient is φ = 58159200.

The previous prime is 159938843. The next prime is 159938921. The reversal of 159938900 is 9839951.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71600 + ... + 73799.

Almost surely, 2159938900 is an apocalyptic number.

159938900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159938900 is an abundant number, since it is smaller than the sum of its proper divisors (218682700).

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

159938900 is a wasteful number, since it uses less digits than its factorization.

159938900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145424 (or 145417 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 159938900 is about 12646.6952204914. The cubic root of 159938900 is about 542.8144099722.

The spelling of 159938900 in words is "one hundred fifty-nine million, nine hundred thirty-eight thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 145399 290798 581596 726995 1453990 1599389 2907980 3198778 3634975 6397556 7269950 7996945 14539900 15993890 31987780 39984725 79969450 159938900