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44434920 = 23351919489
BaseRepresentation
bin1010100110000…
…0010111101000
310002121112020210
42221200113220
542333404140
64224221120
71046455605
oct251402750
9102545223
1044434920
112309a682
1212a6a7a0
13928a36a
145c896ac
153d7ad80
hex2a605e8

44434920 has 64 divisors (see below), whose sum is σ = 140328000. Its totient is φ = 11225088.

The previous prime is 44434879. The next prime is 44434933. The reversal of 44434920 is 2943444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7465 + ... + 12024.

It is an arithmetic number, because the mean of its divisors is an integer number (2192625).

Almost surely, 244434920 is an apocalyptic number.

44434920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44434920 is an abundant number, since it is smaller than the sum of its proper divisors (95893080).

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

44434920 is a wasteful number, since it uses less digits than its factorization.

44434920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19522 (or 19518 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 44434920 is about 6665.9522950588. The cubic root of 44434920 is about 354.1942181719.

It can be divided in two parts, 44434 and 920, that added together give a palindrome (45354).

The spelling of 44434920 in words is "forty-four million, four hundred thirty-four thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 30 38 40 57 60 76 95 114 120 152 190 228 285 380 456 570 760 1140 2280 19489 38978 58467 77956 97445 116934 155912 194890 233868 292335 370291 389780 467736 584670 740582 779560 1110873 1169340 1481164 1851455 2221746 2338680 2962328 3702910 4443492 5554365 7405820 8886984 11108730 14811640 22217460 44434920