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2255933620 = 225112796681
BaseRepresentation
bin1000011001110110…
…1101000010110100
312211012221022011001
42012131231002310
514110004333440
61011504253044
7106622055643
oct20635550264
95735838131
102255933620
11a58463356
1252b611184
1329c4b6785
1417587b35a
15d30b9b9a
hex8676d0b4

2255933620 has 12 divisors (see below), whose sum is σ = 4737460644. Its totient is φ = 902373440.

The previous prime is 2255933579. The next prime is 2255933621. The reversal of 2255933620 is 263395522.

It can be written as a sum of positive squares in 2 ways, for example, as 842624784 + 1413308836 = 29028^2 + 37594^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2255933620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255933621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56398321 + ... + 56398360.

It is an arithmetic number, because the mean of its divisors is an integer number (394788387).

Almost surely, 22255933620 is an apocalyptic number.

2255933620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2255933620 is an abundant number, since it is smaller than the sum of its proper divisors (2481527024).

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

2255933620 is a wasteful number, since it uses less digits than its factorization.

2255933620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112796690 (or 112796688 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The square root of 2255933620 is about 47496.6695674549. The cubic root of 2255933620 is about 1311.5215736834.

The spelling of 2255933620 in words is "two billion, two hundred fifty-five million, nine hundred thirty-three thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 112796681 225593362 451186724 563983405 1127966810 2255933620