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2256570652 = 227372178157
BaseRepresentation
bin1000011010000000…
…1000100100011100
312211021010122222211
42012200020210130
514110140230102
61011530050204
7106630351120
oct20640104434
95737118884
102256570652
11a58858a26
1252b879964
1329c67a70b
141759a5580
15d31937d7
hex8680891c

2256570652 has 24 divisors (see below), whose sum is σ = 4635120224. Its totient is φ = 940963392.

The previous prime is 2256570643. The next prime is 2256570661. The reversal of 2256570652 is 2560756522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2256570643) and next prime (2256570661).

It is a super-2 number, since 2×22565706522 = 10184222214935410208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088043 + ... + 1090114.

Almost surely, 22256570652 is an apocalyptic number.

It is an amenable number.

2256570652 is an abundant number, since it is smaller than the sum of its proper divisors (2378549572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256570652 is a wasteful number, since it uses less digits than its factorization.

2256570652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178205 (or 2178203 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2256570652 is about 47503.3751642975. The cubic root of 2256570652 is about 1311.6450115031.

The spelling of 2256570652 in words is "two billion, two hundred fifty-six million, five hundred seventy thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 37 74 148 259 518 1036 2178157 4356314 8712628 15247099 30494198 60988396 80591809 161183618 322367236 564142663 1128285326 2256570652