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2155300 = 225273079
BaseRepresentation
bin1000001110001100100100
311001111111221
420032030210
51022432200
6114110124
724214450
oct10161444
94044457
102155300
111242344
1287b344
135a6034
14401660
152c891a
hex20e324

2155300 has 36 divisors (see below), whose sum is σ = 5346880. Its totient is φ = 738720.

The previous prime is 2155297. The next prime is 2155319. The reversal of 2155300 is 35512.

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, 840 + ... + 2239.

22155300 is an apocalyptic number.

2155300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2155300 is an abundant number, since it is smaller than the sum of its proper divisors (3191580).

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

2155300 is a wasteful number, since it uses less digits than its factorization.

2155300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100 (or 3093 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2155300 is about 1468.0940024399. The cubic root of 2155300 is about 129.1722555103.

The spelling of 2155300 in words is "two million, one hundred fifty-five thousand, three hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 140 175 350 700 3079 6158 12316 15395 21553 30790 43106 61580 76975 86212 107765 153950 215530 307900 431060 538825 1077650 2155300