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126893904 = 2433976659
BaseRepresentation
bin1111001000000…
…11111101010000
322211202212201020
413210003331100
5224441101104
620331435440
73100403034
oct744037520
9284685636
10126893904
11656a02a5
12365b5b80
132039ba67
1412bd21c4
15b2182d9
hex7903f50

126893904 has 40 divisors (see below), whose sum is σ = 328684320. Its totient is φ = 42185088.

The previous prime is 126893891. The next prime is 126893911. The reversal of 126893904 is 409398621.

It is a super-2 number, since 2×1268939042 = 32204125744722432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15727 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (8217108).

Almost surely, 2126893904 is an apocalyptic number.

It is an amenable number.

126893904 is an abundant number, since it is smaller than the sum of its proper divisors (201790416).

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

126893904 is a wasteful number, since it uses less digits than its factorization.

126893904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7067 (or 7061 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 126893904 is about 11264.7194372519. The cubic root of 126893904 is about 502.5125582862.

The spelling of 126893904 in words is "one hundred twenty-six million, eight hundred ninety-three thousand, nine hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 397 794 1191 1588 2382 3176 4764 6352 6659 9528 13318 19056 19977 26636 39954 53272 79908 106544 159816 319632 2643623 5287246 7930869 10574492 15861738 21148984 31723476 42297968 63446952 126893904