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252667345 = 5717715981
BaseRepresentation
bin11110000111101…
…10010111010001
3122121102211102211
433003312113101
51004140323340
641023312121
76155431330
oct1703662721
9577384384
10252667345
1111a695797
127074b641
1340467808
14257b1d17
15172ae5ea
hexf0f65d1

252667345 has 32 divisors (see below), whose sum is σ = 372128256. Its totient is φ = 160742400.

The previous prime is 252667313. The next prime is 252667361. The reversal of 252667345 is 543766252.

It is not a de Polignac number, because 252667345 - 25 = 252667313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252667298 and 252667307.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39255 + ... + 45235.

It is an arithmetic number, because the mean of its divisors is an integer number (11629008).

Almost surely, 2252667345 is an apocalyptic number.

It is an amenable number.

252667345 is a deficient number, since it is larger than the sum of its proper divisors (119460911).

252667345 is a wasteful number, since it uses less digits than its factorization.

252667345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6081.

The product of its digits is 302400, while the sum is 40.

The square root of 252667345 is about 15895.5133606940. The cubic root of 252667345 is about 632.1930332549.

The spelling of 252667345 in words is "two hundred fifty-two million, six hundred sixty-seven thousand, three hundred forty-five".

Divisors: 1 5 7 17 35 71 85 119 355 497 595 1207 2485 5981 6035 8449 29905 41867 42245 101677 209335 424651 508385 711739 2123255 2972557 3558695 7219067 14862785 36095335 50533469 252667345