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44193930 = 23511157853
BaseRepresentation
bin1010100010010…
…1100010001010
310002011021200020
42220211202022
542303201210
64215121310
71044433164
oct250454212
9102137606
1044193930
1122a45610
1212973236
139204771
145c25934
153d2e770
hex2a2588a

44193930 has 64 divisors (see below), whose sum is σ = 116581248. Its totient is φ = 10632960.

The previous prime is 44193907. The next prime is 44193953. The reversal of 44193930 is 3939144.

It is an interprime number because it is at equal distance from previous prime (44193907) and next prime (44193953).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 44193891 and 44193900.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51384 + ... + 52236.

It is an arithmetic number, because the mean of its divisors is an integer number (1821582).

Almost surely, 244193930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44193930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58290624).

44193930 is an abundant number, since it is smaller than the sum of its proper divisors (72387318).

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

44193930 is a wasteful number, since it uses less digits than its factorization.

44193930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 44193930 is about 6647.8515326382. The cubic root of 44193930 is about 353.5527403943.

The spelling of 44193930 in words is "forty-four million, one hundred ninety-three thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 157 165 314 330 471 785 853 942 1570 1706 1727 2355 2559 3454 4265 4710 5118 5181 8530 8635 9383 10362 12795 17270 18766 25590 25905 28149 46915 51810 56298 93830 133921 140745 267842 281490 401763 669605 803526 1339210 1473131 2008815 2946262 4017630 4419393 7365655 8838786 14731310 22096965 44193930