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252011422 = 21379122693
BaseRepresentation
bin11110000010101…
…10001110011110
3122120012111200101
433001112032132
51004003331142
641001251314
76150030115
oct1701261636
9576174611
10252011422
1111a287a03
1270493b3a
13402980b0
1425680c7c
15171d00b7
hexf05639e

252011422 has 16 divisors (see below), whose sum is σ = 412251840. Its totient is φ = 114839712.

The previous prime is 252011407. The next prime is 252011443. The reversal of 252011422 is 224110252.

It is a self number, because there is not a number n which added to its sum of digits gives 252011422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59293 + ... + 63400.

It is an arithmetic number, because the mean of its divisors is an integer number (25765740).

Almost surely, 2252011422 is an apocalyptic number.

252011422 is a deficient number, since it is larger than the sum of its proper divisors (160240418).

252011422 is a wasteful number, since it uses less digits than its factorization.

252011422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122787.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 252011422 is about 15874.8676214953. The cubic root of 252011422 is about 631.6455026716.

Adding to 252011422 its reverse (224110252), we get a palindrome (476121674).

The spelling of 252011422 in words is "two hundred fifty-two million, eleven thousand, four hundred twenty-two".

Divisors: 1 2 13 26 79 158 1027 2054 122693 245386 1595009 3190018 9692747 19385494 126005711 252011422