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3944192 = 2873171
BaseRepresentation
bin1111000010111100000000
321102101102012
433002330000
52002203232
6220312052
745345050
oct17027400
97371365
103944192
11225436a
1213a2628
13a81355
14749560
1552d9b2
hex3c2f00

3944192 has 72 divisors (see below), whose sum is σ = 9418752. Its totient is φ = 1612800.

The previous prime is 3944189. The next prime is 3944219. The reversal of 3944192 is 2914493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an Ulam number.

It is a congruent number.

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, 55517 + ... + 55587.

It is an arithmetic number, because the mean of its divisors is an integer number (130816).

Almost surely, 23944192 is an apocalyptic number.

3944192 is a gapful number since it is divisible by the number (32) 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 3944192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4709376).

3944192 is an abundant number, since it is smaller than the sum of its proper divisors (5474560).

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

3944192 is an equidigital number, since it uses as much as digits as its factorization.

3944192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 111 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 3944192 is about 1985.9989929504. The cubic root of 3944192 is about 157.9983976764.

3944192 divided by its sum of digits (32) gives a triangular number (123256 = T496).

The spelling of 3944192 in words is "three million, nine hundred forty-four thousand, one hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 31 32 56 62 64 71 112 124 128 142 217 224 248 256 284 434 448 496 497 568 868 896 992 994 1136 1736 1792 1984 1988 2201 2272 3472 3968 3976 4402 4544 6944 7936 7952 8804 9088 13888 15407 15904 17608 18176 27776 30814 31808 35216 55552 61628 63616 70432 123256 127232 140864 246512 281728 493024 563456 986048 1972096 3944192