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2251875620 = 225112593781
BaseRepresentation
bin1000011000111000…
…1110010100100100
312210221022010121202
42012032032110210
514102440004440
61011241302032
7106542425021
oct20616162444
95727263552
102251875620
11a56141535
1252a194918
1329b6c56a7
14175102548
15d2a67615
hex8638e524

2251875620 has 12 divisors (see below), whose sum is σ = 4728938844. Its totient is φ = 900750240.

The previous prime is 2251875617. The next prime is 2251875623. The reversal of 2251875620 is 265781522.

It is an interprime number because it is at equal distance from previous prime (2251875617) and next prime (2251875623).

It can be written as a sum of positive squares in 2 ways, for example, as 536756224 + 1715119396 = 23168^2 + 41414^2 .

It is not an unprimeable number, because it can be changed into a prime (2251875623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56296871 + ... + 56296910.

It is an arithmetic number, because the mean of its divisors is an integer number (394078237).

Almost surely, 22251875620 is an apocalyptic number.

2251875620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251875620 is an abundant number, since it is smaller than the sum of its proper divisors (2477063224).

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

2251875620 is a wasteful number, since it uses less digits than its factorization.

2251875620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112593790 (or 112593788 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2251875620 is about 47453.9315547195. The cubic root of 2251875620 is about 1310.7347081958.

The spelling of 2251875620 in words is "two billion, two hundred fifty-one million, eight hundred seventy-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 112593781 225187562 450375124 562968905 1125937810 2251875620