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44387272 = 2317378821
BaseRepresentation
bin1010100101010…
…0101111001000
310002112002220001
42221110233020
542330343042
64223212344
71046166646
oct251245710
9102462801
1044387272
11230678a6
1212a470b4
139271777
145c76196
153d6bbb7
hex2a54bc8

44387272 has 32 divisors (see below), whose sum is σ = 90513720. Its totient is φ = 20321280.

The previous prime is 44387267. The next prime is 44387333. The reversal of 44387272 is 27278344.

It can be written as a sum of positive squares in 4 ways, for example, as 44275716 + 111556 = 6654^2 + 334^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 622 + ... + 9442.

Almost surely, 244387272 is an apocalyptic number.

It is an amenable number.

44387272 is an abundant number, since it is smaller than the sum of its proper divisors (46126448).

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

44387272 is a wasteful number, since it uses less digits than its factorization.

44387272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8881 (or 8877 counting only the distinct ones).

The product of its digits is 75264, while the sum is 37.

The square root of 44387272 is about 6662.3773534678. The cubic root of 44387272 is about 354.0675709161.

The spelling of 44387272 in words is "forty-four million, three hundred eighty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 17 34 37 68 74 136 148 296 629 1258 2516 5032 8821 17642 35284 70568 149957 299914 326377 599828 652754 1199656 1305508 2611016 5548409 11096818 22193636 44387272