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252522919 = 11127717977
BaseRepresentation
bin11110000110100…
…11000110100111
3122121011111022201
433003103012213
51004121213134
641020235331
76154260265
oct1703230647
9577144281
10252522919
1111a5a7230
127069bb47
1340416b5c
1425775435
1517281914
hexf0d31a7

252522919 has 8 divisors (see below), whose sum is σ = 275710608. Its totient is φ = 229373760.

The previous prime is 252522917. The next prime is 252522967. The reversal of 252522919 is 919225252.

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

It is not a de Polignac number, because 252522919 - 21 = 252522917 is a prime.

It is a super-2 number, since 2×2525229192 = 127535649240561122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252522917) 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, 5059 + ... + 23035.

It is an arithmetic number, because the mean of its divisors is an integer number (34463826).

Almost surely, 2252522919 is an apocalyptic number.

252522919 is a deficient number, since it is larger than the sum of its proper divisors (23187689).

252522919 is a wasteful number, since it uses less digits than its factorization.

252522919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19265.

The product of its digits is 32400, while the sum is 37.

The square root of 252522919 is about 15890.9697312656. The cubic root of 252522919 is about 632.0725553285.

The spelling of 252522919 in words is "two hundred fifty-two million, five hundred twenty-two thousand, nine hundred nineteen".

Divisors: 1 11 1277 14047 17977 197747 22956629 252522919