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126772940 = 22571947659
BaseRepresentation
bin1111000111001…
…10011011001100
322211112201210002
413203212123030
5224423213230
620325103432
73066360260
oct743463314
9284481702
10126772940
1165618428
1236557b78
1320358998
1412ba00a0
15b1e2545
hex78e66cc

126772940 has 48 divisors (see below), whose sum is σ = 320275200. Its totient is φ = 41176512.

The previous prime is 126772939. The next prime is 126772951. The reversal of 126772940 is 49277621.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 126772894 and 126772903.

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, 21170 + ... + 26489.

It is an arithmetic number, because the mean of its divisors is an integer number (6672400).

Almost surely, 2126772940 is an apocalyptic number.

126772940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126772940 is an abundant number, since it is smaller than the sum of its proper divisors (193502260).

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

126772940 is a wasteful number, since it uses less digits than its factorization.

126772940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47694 (or 47692 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 126772940 is about 11259.3490042720. The cubic root of 126772940 is about 502.3528310061.

The spelling of 126772940 in words is "one hundred twenty-six million, seven hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 47659 95318 190636 238295 333613 476590 667226 905521 953180 1334452 1668065 1811042 3336130 3622084 4527605 6338647 6672260 9055210 12677294 18110420 25354588 31693235 63386470 126772940