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252268942 = 2571220901
BaseRepresentation
bin11110000100101…
…01000110001110
3122120200120221011
433002111012032
51004040101232
641010555434
76152151652
oct1702250616
9576616834
10252268942
1111a443432
1270598b7a
1340358383
142570aa62
1517231547
hexf09518e

252268942 has 8 divisors (see below), whose sum is σ = 379067832. Its totient is φ = 125913000.

The previous prime is 252268937. The next prime is 252268943. The reversal of 252268942 is 249862252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 252268895 and 252268904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252268943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109309 + ... + 111592.

It is an arithmetic number, because the mean of its divisors is an integer number (47383479).

Almost surely, 2252268942 is an apocalyptic number.

252268942 is a deficient number, since it is larger than the sum of its proper divisors (126798890).

252268942 is a wasteful number, since it uses less digits than its factorization.

252268942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221474.

The product of its digits is 138240, while the sum is 40.

The square root of 252268942 is about 15882.9764842740. The cubic root of 252268942 is about 631.8605801925.

The spelling of 252268942 in words is "two hundred fifty-two million, two hundred sixty-eight thousand, nine hundred forty-two".

Divisors: 1 2 571 1142 220901 441802 126134471 252268942