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2268086949 = 32252009661
BaseRepresentation
bin1000011100110000…
…0100001010100101
312212001210202101100
42013030010022211
514121112240244
61013020550313
7110130264252
oct20714041245
95761722340
102268086949
11a64304327
125336b2399
132a1b804ab
14177322429
15d41bab69
hex873042a5

2268086949 has 6 divisors (see below), whose sum is σ = 3276125606. Its totient is φ = 1512057960.

The previous prime is 2268086941. The next prime is 2268086957. The reversal of 2268086949 is 9496808622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2268086941) and next prime (2268086957).

It can be written as a sum of positive squares in only one way, i.e., 2252166849 + 15920100 = 47457^2 + 3990^2 .

It is not a de Polignac number, because 2268086949 - 23 = 2268086941 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2268086895 and 2268086904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268086941) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 126004822 + ... + 126004839.

Almost surely, 22268086949 is an apocalyptic number.

It is an amenable number.

2268086949 is a deficient number, since it is larger than the sum of its proper divisors (1008038657).

2268086949 is a wasteful number, since it uses less digits than its factorization.

2268086949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252009667 (or 252009664 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The square root of 2268086949 is about 47624.4364691069. The cubic root of 2268086949 is about 1313.8725316464.

The spelling of 2268086949 in words is "two billion, two hundred sixty-eight million, eighty-six thousand, nine hundred forty-nine".

Divisors: 1 3 9 252009661 756028983 2268086949