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5641900 = 22521123223
BaseRepresentation
bin10101100001011010101100
3101121122020021
4111201122230
52421020100
6320531524
765645455
oct25413254
911548207
105641900
113203930
121a80ba4
131227004
14a6c12c
15766a1a
hex5616ac

5641900 has 72 divisors (see below), whose sum is σ = 13999104. Its totient is φ = 1953600.

The previous prime is 5641897. The next prime is 5641931. The reversal of 5641900 is 91465.

It is a super-2 number, since 2×56419002 = 63662071220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 23 ways as a sum of consecutive naturals, for example, 25189 + ... + 25411.

It is an arithmetic number, because the mean of its divisors is an integer number (194432).

Almost surely, 25641900 is an apocalyptic number.

5641900 is a gapful number since it is divisible by the number (50) 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 5641900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6999552).

5641900 is an abundant number, since it is smaller than the sum of its proper divisors (8357204).

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

5641900 is a wasteful number, since it uses less digits than its factorization.

5641900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 5641900 is about 2375.2684058860. The cubic root of 5641900 is about 178.0225952884.

The spelling of 5641900 in words is "five million, six hundred forty-one thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 23 25 44 46 50 55 92 100 110 115 220 223 230 253 275 446 460 506 550 575 892 1012 1100 1115 1150 1265 2230 2300 2453 2530 4460 4906 5060 5129 5575 6325 9812 10258 11150 12265 12650 20516 22300 24530 25300 25645 49060 51290 56419 61325 102580 112838 122650 128225 225676 245300 256450 282095 512900 564190 1128380 1410475 2820950 5641900