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1296332230 = 25151185793
BaseRepresentation
bin100110101000100…
…0111010111000110
310100100021111111211
41031101013113012
510123330112410
6332344522034
744060433154
oct11521072706
93310244454
101296332230
11605822656
1230218031a
131787526bb
14c42483d4
1578c1868a
hex4d4475c6

1296332230 has 16 divisors (see below), whose sum is σ = 2334969504. Its totient is φ = 518183680.

The previous prime is 1296332183. The next prime is 1296332243. The reversal of 1296332230 is 322336921.

It is a junction number, because it is equal to n+sod(n) for n = 1296332192 and 1296332201.

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, 27787 + ... + 58006.

It is an arithmetic number, because the mean of its divisors is an integer number (145935594).

Almost surely, 21296332230 is an apocalyptic number.

1296332230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1296332230 is a deficient number, since it is larger than the sum of its proper divisors (1038637274).

1296332230 is a wasteful number, since it uses less digits than its factorization.

1296332230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87311.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1296332230 is about 36004.6140098738. The cubic root of 1296332230 is about 1090.3655116245.

The spelling of 1296332230 in words is "one billion, two hundred ninety-six million, three hundred thirty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 1511 3022 7555 15110 85793 171586 428965 857930 129633223 259266446 648166115 1296332230