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5745920 = 285672
BaseRepresentation
bin10101111010110100000000
3101210220220212
4111322310000
52432332140
6323053252
766560645
oct25726400
911726825
105745920
113274aa4
121b11228
13126246b
14a97dcc
15787765
hex57ad00

5745920 has 54 divisors (see below), whose sum is σ = 13971762. Its totient is φ = 2264064.

The previous prime is 5745911. The next prime is 5745931. The reversal of 5745920 is 295475.

It can be written as a sum of positive squares in only one way, i.e., 4596736 + 1149184 = 2144^2 + 1072^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85727 + ... + 85793.

Almost surely, 25745920 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 5745920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985881).

5745920 is an abundant number, since it is smaller than the sum of its proper divisors (8225842).

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

5745920 is an frugal number, since it uses more digits than its factorization.

5745920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 5745920 is about 2397.0648718798. The cubic root of 5745920 is about 179.1100100889.

The spelling of 5745920 in words is "five million, seven hundred forty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 67 80 128 134 160 256 268 320 335 536 640 670 1072 1280 1340 2144 2680 4288 4489 5360 8576 8978 10720 17152 17956 21440 22445 35912 42880 44890 71824 85760 89780 143648 179560 287296 359120 574592 718240 1149184 1436480 2872960 5745920