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198065232 = 24321780909
BaseRepresentation
bin10111100111000…
…11110001010000
3111210200202102100
423303203301100
5401201041412
631353120400
74623345441
oct1363436120
9453622370
10198065232
11a1891382
12563b9100
133205a781
141c43b2c8
15125c5edc
hexbce3c50

198065232 has 60 divisors (see below), whose sum is σ = 586921140. Its totient is φ = 62137344.

The previous prime is 198065227. The next prime is 198065243. The reversal of 198065232 is 232560891.

198065232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 112021056 + 86044176 = 10584^2 + 9276^2 .

It is a super-2 number, since 2×1980652322 = 78459672254427648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 38007 + ... + 42902.

It is an arithmetic number, because the mean of its divisors is an integer number (9782019).

Almost surely, 2198065232 is an apocalyptic number.

198065232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

198065232 is an abundant number, since it is smaller than the sum of its proper divisors (388855908).

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

198065232 is a wasteful number, since it uses less digits than its factorization.

198065232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80940 (or 80931 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 198065232 is about 14073.5650067778. The cubic root of 198065232 is about 582.9116685685.

The spelling of 198065232 in words is "one hundred ninety-eight million, sixty-five thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 408 612 816 1224 2448 80909 161818 242727 323636 485454 647272 728181 970908 1294544 1375453 1456362 1941816 2750906 2912724 3883632 4126359 5501812 5825448 8252718 11003624 11650896 12379077 16505436 22007248 24758154 33010872 49516308 66021744 99032616 198065232