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575295990 = 23538949297
BaseRepresentation
bin100010010010100…
…101000111110110
31111002112001201220
4202102211013312
52134233432430
6133030331210
720153635533
oct4222450766
91432461656
10575295990
11275815435
121407b9b06
1392259339
1456595d8a
153578d110
hex224a51f6

575295990 has 32 divisors (see below), whose sum is σ = 1384287840. Its totient is φ = 153014784.

The previous prime is 575295971. The next prime is 575296009. The reversal of 575295990 is 99592575.

It is an interprime number because it is at equal distance from previous prime (575295971) and next prime (575296009).

It is a super-3 number, since 3×5752959903 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12979 + ... + 36318.

It is an arithmetic number, because the mean of its divisors is an integer number (43258995).

Almost surely, 2575295990 is an apocalyptic number.

575295990 is an abundant number, since it is smaller than the sum of its proper divisors (808991850).

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

575295990 is a wasteful number, since it uses less digits than its factorization.

575295990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49696.

The product of its (nonzero) digits is 1275750, while the sum is 51.

The square root of 575295990 is about 23985.3286406503. The cubic root of 575295990 is about 831.6944095834.

The spelling of 575295990 in words is "five hundred seventy-five million, two hundred ninety-five thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 389 778 1167 1945 2334 3890 5835 11670 49297 98594 147891 246485 295782 492970 739455 1478910 19176533 38353066 57529599 95882665 115059198 191765330 287647995 575295990