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4392879372 = 223377973553
BaseRepresentation
bin1000001011101011…
…00000010100001100
3102100010222101122000
410011311200110030
532444034114442
62003522352300
7213600600330
oct40565402414
912303871560
104392879372
111954736322
12a271bb690
1355013bc0b
142d95c37c0
151aa9cdd4c
hex105d6050c

4392879372 has 96 divisors (see below), whose sum is σ = 13180876800. Its totient is φ = 1239204096.

The previous prime is 4392879343. The next prime is 4392879383. The reversal of 4392879372 is 2739782934.

It is a super-2 number, since 2×43928793722 = 38594778353886228768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 22948 + ... + 96500.

It is an arithmetic number, because the mean of its divisors is an integer number (137300800).

Almost surely, 24392879372 is an apocalyptic number.

4392879372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4392879372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6590438400).

4392879372 is an abundant number, since it is smaller than the sum of its proper divisors (8787997428).

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

4392879372 is a wasteful number, since it uses less digits than its factorization.

4392879372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73652 (or 73644 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 4392879372 is about 66278.8003210680. The cubic root of 4392879372 is about 1637.7581121166.

The spelling of 4392879372 in words is "four billion, three hundred ninety-two million, eight hundred seventy-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 79 84 108 126 158 189 237 252 316 378 474 553 711 756 948 1106 1422 1659 2133 2212 2844 3318 4266 4977 6636 8532 9954 14931 19908 29862 59724 73553 147106 220659 294212 441318 514871 661977 882636 1029742 1323954 1544613 1985931 2059484 2647908 3089226 3971862 4633839 5810687 6178452 7943724 9267678 11621374 13901517 17432061 18535356 23242748 27803034 34864122 40674809 52296183 55606068 69728244 81349618 104592366 122024427 156888549 162699236 209184732 244048854 313777098 366073281 488097708 627554196 732146562 1098219843 1464293124 2196439686 4392879372