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2256615413 = 13541320861
BaseRepresentation
bin1000011010000001…
…0011011111110101
312211021012221101122
42012200103133311
514110143143123
61011531033325
7106630625453
oct20640233765
95737187348
102256615413
11a58889618
1252b89b845
1329c694bc0
141759b79d3
15d31a1bc8
hex868137f5

2256615413 has 8 divisors (see below), whose sum is σ = 2434700856. Its totient is φ = 2079172800.

The previous prime is 2256615407. The next prime is 2256615419. The reversal of 2256615413 is 3145166522.

2256615413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2256615407) and next prime (2256615419).

It can be written as a sum of positive squares in 4 ways, for example, as 120604324 + 2136011089 = 10982^2 + 46217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2256615413 - 26 = 2256615349 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 (2256615419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153398 + ... + 167463.

It is an arithmetic number, because the mean of its divisors is an integer number (304337607).

Almost surely, 22256615413 is an apocalyptic number.

It is an amenable number.

2256615413 is a deficient number, since it is larger than the sum of its proper divisors (178085443).

2256615413 is a wasteful number, since it uses less digits than its factorization.

2256615413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321415.

The product of its digits is 43200, while the sum is 35.

The square root of 2256615413 is about 47503.8462969053. The cubic root of 2256615413 is about 1311.6536839776.

The spelling of 2256615413 in words is "two billion, two hundred fifty-six million, six hundred fifteen thousand, four hundred thirteen".

Divisors: 1 13 541 7033 320861 4171193 173585801 2256615413