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126944480 = 2551361031
BaseRepresentation
bin1111001000100…
…00010011100000
322211212110002102
413210100103200
5224444210410
620332505532
73101003345
oct744202340
9284773072
10126944480
11657252a3
123661b2a8
13203b8aa0
1412c067cc
15b2282a5
hex79104e0

126944480 has 48 divisors (see below), whose sum is σ = 322981344. Its totient is φ = 46871040.

The previous prime is 126944449. The next prime is 126944533. The reversal of 126944480 is 84449621.

It is a super-2 number, since 2×1269444802 = 32229802004940800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28436 + ... + 32595.

It is an arithmetic number, because the mean of its divisors is an integer number (6728778).

Almost surely, 2126944480 is an apocalyptic number.

126944480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126944480 is an abundant number, since it is smaller than the sum of its proper divisors (196036864).

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

126944480 is a wasteful number, since it uses less digits than its factorization.

126944480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61059 (or 61051 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 126944480 is about 11266.9640986381. The cubic root of 126944480 is about 502.5793114255.

The spelling of 126944480 in words is "one hundred twenty-six million, nine hundred forty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 32 40 52 65 80 104 130 160 208 260 416 520 1040 2080 61031 122062 244124 305155 488248 610310 793403 976496 1220620 1586806 1952992 2441240 3173612 3967015 4882480 6347224 7934030 9764960 12694448 15868060 25388896 31736120 63472240 126944480