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253225122 = 23192221273
BaseRepresentation
bin11110001011111…
…10100010100010
3122122111011120020
433011332202202
51004311200442
641043254310
76163243443
oct1705764242
9578434506
10253225122
1111aa36867
127097a396
1340601667
14258b92ca
151736e9ec
hexf17e8a2

253225122 has 16 divisors (see below), whose sum is σ = 533105760. Its totient is φ = 79965792.

The previous prime is 253225073. The next prime is 253225123. The reversal of 253225122 is 221522352.

It is a junction number, because it is equal to n+sod(n) for n = 253225092 and 253225101.

It is not an unprimeable number, because it can be changed into a prime (253225123) 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, 1110523 + ... + 1110750.

It is an arithmetic number, because the mean of its divisors is an integer number (33319110).

Almost surely, 2253225122 is an apocalyptic number.

253225122 is an abundant number, since it is smaller than the sum of its proper divisors (279880638).

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

253225122 is a wasteful number, since it uses less digits than its factorization.

253225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221297.

The product of its digits is 2400, while the sum is 24.

The square root of 253225122 is about 15913.0487965066. The cubic root of 253225122 is about 632.6578916022.

Adding to 253225122 its reverse (221522352), we get a palindrome (474747474).

The spelling of 253225122 in words is "two hundred fifty-three million, two hundred twenty-five thousand, one hundred twenty-two".

Divisors: 1 2 3 6 19 38 57 114 2221273 4442546 6663819 13327638 42204187 84408374 126612561 253225122