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155500150 = 25213239231
BaseRepresentation
bin10010100010010…
…11111001110110
3101211121020002211
421101023321312
5304302001100
623232524034
73565505131
oct1121137166
9354536084
10155500150
117a859623
12440b061a
13262a6530
141691b218
15d9b91ba
hex944be76

155500150 has 24 divisors (see below), whose sum is σ = 311480064. Its totient is φ = 57415200.

The previous prime is 155500133. The next prime is 155500151. The reversal of 155500150 is 51005551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155500151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118966 + ... + 120265.

It is an arithmetic number, because the mean of its divisors is an integer number (12978336).

Almost surely, 2155500150 is an apocalyptic number.

155500150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155500150 is an abundant number, since it is smaller than the sum of its proper divisors (155979914).

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

155500150 is a wasteful number, since it uses less digits than its factorization.

155500150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239256 (or 239251 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

The square root of 155500150 is about 12469.9699277905. The cubic root of 155500150 is about 537.7456890135.

The spelling of 155500150 in words is "one hundred fifty-five million, five hundred thousand, one hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 239231 478462 1196155 2392310 3110003 5980775 6220006 11961550 15550015 31100030 77750075 155500150