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575253138 = 23234168501
BaseRepresentation
bin100010010010011…
…010101010010010
31111002102212221210
4202102122222102
52134231100023
6133025400550
720153366565
oct4222325222
91432385853
10575253138
11275796219
12140799156
1392242995
14565844dc
1535780593
hex2249aa92

575253138 has 16 divisors (see below), whose sum is σ = 1200528576. Its totient is φ = 183414000.

The previous prime is 575253131. The next prime is 575253169. The reversal of 575253138 is 831352575.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 575253096 and 575253105.

It is not an unprimeable number, because it can be changed into a prime (575253131) 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, 2084113 + ... + 2084388.

It is an arithmetic number, because the mean of its divisors is an integer number (75033036).

Almost surely, 2575253138 is an apocalyptic number.

575253138 is an abundant number, since it is smaller than the sum of its proper divisors (625275438).

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

575253138 is a wasteful number, since it uses less digits than its factorization.

575253138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168529.

The product of its digits is 126000, while the sum is 39.

The square root of 575253138 is about 23984.4353279372. The cubic root of 575253138 is about 831.6737589650.

The spelling of 575253138 in words is "five hundred seventy-five million, two hundred fifty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 4168501 8337002 12505503 25011006 95875523 191751046 287626569 575253138