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5745220 = 22513191163
BaseRepresentation
bin10101111010101001000100
3101210212221221
4111322221010
52432321340
6323050124
766555625
oct25725104
911725857
105745220
113274518
121b10944
131262050
14a97a4c
1578744a
hex57aa44

5745220 has 48 divisors (see below), whose sum is σ = 13688640. Its totient is φ = 2007936.

The previous prime is 5745211. The next prime is 5745221. The reversal of 5745220 is 225475.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5745221) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4359 + ... + 5521.

It is an arithmetic number, because the mean of its divisors is an integer number (285180).

Almost surely, 25745220 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 5745220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6844320).

5745220 is an abundant number, since it is smaller than the sum of its proper divisors (7943420).

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

5745220 is a wasteful number, since it uses less digits than its factorization.

5745220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 5745220 is about 2396.9188555310. The cubic root of 5745220 is about 179.1027364003.

The spelling of 5745220 in words is "five million, seven hundred forty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 19 20 26 38 52 65 76 95 130 190 247 260 380 494 988 1163 1235 2326 2470 4652 4940 5815 11630 15119 22097 23260 30238 44194 60476 75595 88388 110485 151190 220970 287261 302380 441940 574522 1149044 1436305 2872610 5745220