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102112292 = 2261418493
BaseRepresentation
bin1100001011000…
…01110000100100
321010010211201202
412011201300210
5202120043132
614044342032
72346640322
oct605416044
9233124652
10102112292
1152704527
122a244918
1318203099
14d7c0d12
158e70762
hex6161c24

102112292 has 12 divisors (see below), whose sum is σ = 181626396. Its totient is φ = 50219040.

The previous prime is 102112279. The next prime is 102112301. The reversal of 102112292 is 292211201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43375396 + 58736896 = 6586^2 + 7664^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209003 + ... + 209490.

It is an arithmetic number, because the mean of its divisors is an integer number (15135533).

Almost surely, 2102112292 is an apocalyptic number.

It is an amenable number.

102112292 is a deficient number, since it is larger than the sum of its proper divisors (79514104).

102112292 is a wasteful number, since it uses less digits than its factorization.

102112292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418558 (or 418556 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 102112292 is about 10105.0626915423. The cubic root of 102112292 is about 467.4042691493.

Adding to 102112292 its reverse (292211201), we get a palindrome (394323493).

The spelling of 102112292 in words is "one hundred two million, one hundred twelve thousand, two hundred ninety-two".

Divisors: 1 2 4 61 122 244 418493 836986 1673972 25528073 51056146 102112292