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252655141 = 19107124277
BaseRepresentation
bin11110000111100…
…11011000100101
3122121102012200211
433003303120211
51004134431031
641023135421
76155350624
oct1703633045
9577365624
10252655141
1111a687602
1270744571
13404620ab
14257ab6bb
15172aabb1
hexf0f3625

252655141 has 8 divisors (see below), whose sum is σ = 268440480. Its totient is φ = 237118608.

The previous prime is 252655097. The next prime is 252655147. The reversal of 252655141 is 141556252.

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

It is a cyclic number.

It is not a de Polignac number, because 252655141 - 215 = 252622373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252655147) 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, 60106 + ... + 64171.

It is an arithmetic number, because the mean of its divisors is an integer number (33555060).

Almost surely, 2252655141 is an apocalyptic number.

It is an amenable number.

252655141 is a deficient number, since it is larger than the sum of its proper divisors (15785339).

252655141 is a wasteful number, since it uses less digits than its factorization.

252655141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124403.

The product of its digits is 12000, while the sum is 31.

The square root of 252655141 is about 15895.1294741502. The cubic root of 252655141 is about 632.1828546437.

The spelling of 252655141 in words is "two hundred fifty-two million, six hundred fifty-five thousand, one hundred forty-one".

Divisors: 1 19 107 2033 124277 2361263 13297639 252655141