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155550230 = 25115326681
BaseRepresentation
bin10010100010110…
…00001000010110
3101211200202210122
421101120020112
5304310101410
623233551542
73566104133
oct1121301026
9354622718
10155550230
117a893210
12441155b2
13262c3274
141693158a
15d9c8e55
hex9458216

155550230 has 32 divisors (see below), whose sum is σ = 311218848. Its totient is φ = 55494400.

The previous prime is 155550223. The next prime is 155550247. The reversal of 155550230 is 32055551.

It is a self number, because there is not a number n which added to its sum of digits gives 155550230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7511 + ... + 19170.

It is an arithmetic number, because the mean of its divisors is an integer number (9725589).

Almost surely, 2155550230 is an apocalyptic number.

155550230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155550230 is an abundant number, since it is smaller than the sum of its proper divisors (155668618).

155550230 is a wasteful number, since it uses less digits than its factorization.

155550230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26752.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 155550230 is about 12471.9777902304. The cubic root of 155550230 is about 537.8034111735.

The spelling of 155550230 in words is "one hundred fifty-five million, five hundred fifty thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 53 55 106 110 265 530 583 1166 2915 5830 26681 53362 133405 266810 293491 586982 1414093 1467455 2828186 2934910 7070465 14140930 15555023 31110046 77775115 155550230