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575399920 = 24526572707
BaseRepresentation
bin100010010010111…
…110011111110000
31111002201100022011
4202102332133300
52134300244140
6133032452304
720154550534
oct4222763760
91432640264
10575399920
11275886527
1214084a094
1392294734
14565c1bc4
15357adcea
hex224be7f0

575399920 has 40 divisors (see below), whose sum is σ = 1338802704. Its totient is φ = 229988352.

The previous prime is 575399879. The next prime is 575399927. The reversal of 575399920 is 29993575.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575399927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211207 + ... + 213913.

Almost surely, 2575399920 is an apocalyptic number.

It is an amenable number.

575399920 is an abundant number, since it is smaller than the sum of its proper divisors (763402784).

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

575399920 is a wasteful number, since it uses less digits than its factorization.

575399920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 49.

The square root of 575399920 is about 23987.4950755597. The cubic root of 575399920 is about 831.7444897722.

The spelling of 575399920 in words is "five hundred seventy-five million, three hundred ninety-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 2657 2707 5314 5414 10628 10828 13285 13535 21256 21656 26570 27070 42512 43312 53140 54140 106280 108280 212560 216560 7192499 14384998 28769996 35962495 57539992 71924990 115079984 143849980 287699960 575399920