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5622640 = 245671049
BaseRepresentation
bin10101011100101101110000
3101120122210221
4111130231300
52414411030
6320302424
765535352
oct25345560
911518727
105622640
1131a0411
121a71a14
13121b30a
14a650d2
15760e7a
hex55cb70

5622640 has 40 divisors (see below), whose sum is σ = 13280400. Its totient is φ = 2213376.

The previous prime is 5622623. The next prime is 5622653. The reversal of 5622640 is 462265.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×56226402 = 63228161139200, which contains 22 as substring.

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, 4836 + ... + 5884.

It is an arithmetic number, because the mean of its divisors is an integer number (332010).

Almost surely, 25622640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5622640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6640200).

5622640 is an abundant number, since it is smaller than the sum of its proper divisors (7657760).

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

5622640 is a wasteful number, since it uses less digits than its factorization.

5622640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1123 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 5622640 is about 2371.2106612446. The cubic root of 5622640 is about 177.8197898395.

The spelling of 5622640 in words is "five million, six hundred twenty-two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 67 80 134 268 335 536 670 1049 1072 1340 2098 2680 4196 5245 5360 8392 10490 16784 20980 41960 70283 83920 140566 281132 351415 562264 702830 1124528 1405660 2811320 5622640