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120244480 = 28593941
BaseRepresentation
bin1110010101011…
…00100100000000
322101021001102021
413022230210000
5221240310410
615533131224
72660026666
oct712544400
9271231367
10120244480
1161969504
1234329b14
131bbb12a5
1411d80c36
15a852eda
hex72ac900

120244480 has 36 divisors (see below), whose sum is σ = 288026172. Its totient is φ = 48097280.

The previous prime is 120244477. The next prime is 120244511. The reversal of 120244480 is 84442021.

It can be written as a sum of positive squares in 2 ways, for example, as 36192256 + 84052224 = 6016^2 + 9168^2 .

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, 45691 + ... + 48250.

It is an arithmetic number, because the mean of its divisors is an integer number (8000727).

Almost surely, 2120244480 is an apocalyptic number.

120244480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120244480 is an abundant number, since it is smaller than the sum of its proper divisors (167781692).

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

120244480 is an frugal number, since it uses more digits than its factorization.

120244480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93962 (or 93948 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 120244480 is about 10965.6044065067. The cubic root of 120244480 is about 493.5771540482.

The spelling of 120244480 in words is "one hundred twenty million, two hundred forty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 640 1280 93941 187882 375764 469705 751528 939410 1503056 1878820 3006112 3757640 6012224 7515280 12024448 15030560 24048896 30061120 60122240 120244480