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126902228 = 2231725557
BaseRepresentation
bin1111001000001…
…01111111010100
322211210022010112
413210011333110
5224441332403
620331542152
73100436225
oct744057724
9284708115
10126902228
11656a6582
12365ba958
13203a279b
1412bd524c
15b21a9d8
hex7905fd4

126902228 has 6 divisors (see below), whose sum is σ = 222078906. Its totient is φ = 63451112.

The previous prime is 126902227. The next prime is 126902233. The reversal of 126902228 is 822209621.

It can be written as a sum of positive squares in only one way, i.e., 122500624 + 4401604 = 11068^2 + 2098^2 .

It is a super-2 number, since 2×1269022282 = 32208350942727968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126902194 and 126902203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126902227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15862775 + ... + 15862782.

It is an arithmetic number, because the mean of its divisors is an integer number (37013151).

Almost surely, 2126902228 is an apocalyptic number.

It is an amenable number.

126902228 is a deficient number, since it is larger than the sum of its proper divisors (95176678).

126902228 is a wasteful number, since it uses less digits than its factorization.

126902228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31725561 (or 31725559 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 126902228 is about 11265.0889033332. The cubic root of 126902228 is about 502.5235460036.

The spelling of 126902228 in words is "one hundred twenty-six million, nine hundred two thousand, two hundred twenty-eight".

Divisors: 1 2 4 31725557 63451114 126902228