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2278005253 = 171399191049
BaseRepresentation
bin1000011111000111…
…1001101000000101
312212202110122201221
42013301321220011
514131132132003
61014013320341
7110310503506
oct20761715005
95782418657
102278005253
11a69969077
12536a960b1
132a3c43b04
14178784bad
15d4ec97bd
hex87c79a05

2278005253 has 16 divisors (see below), whose sum is σ = 2434320000. Its totient is φ = 2124237312.

The previous prime is 2278005227. The next prime is 2278005269. The reversal of 2278005253 is 3525008722.

It is not a de Polignac number, because 2278005253 - 213 = 2277997061 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 (2278006253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171073 + ... + 2172121.

It is an arithmetic number, because the mean of its divisors is an integer number (152145000).

Almost surely, 22278005253 is an apocalyptic number.

It is an amenable number.

2278005253 is a deficient number, since it is larger than the sum of its proper divisors (156314747).

2278005253 is a wasteful number, since it uses less digits than its factorization.

2278005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2278005253 is about 47728.4532852260. The cubic root of 2278005253 is about 1315.7849271514.

The spelling of 2278005253 in words is "two billion, two hundred seventy-eight million, five thousand, two hundred fifty-three".

Divisors: 1 17 139 919 1049 2363 15623 17833 127741 145811 964031 2171597 2478787 16388527 134000309 2278005253