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1296472038 = 23216078673
BaseRepresentation
bin100110101000110…
…1001011111100110
310100100112121021220
41031101221133212
510123344101123
6332351521210
744061554601
oct11521513746
93310477256
101296472038
116059086a4
12302229206
131787a1224
14c4283338
1578c44ce3
hex4d4697e6

1296472038 has 8 divisors (see below), whose sum is σ = 2592944088. Its totient is φ = 432157344.

The previous prime is 1296472013. The next prime is 1296472063. The reversal of 1296472038 is 8302746921.

It is an interprime number because it is at equal distance from previous prime (1296472013) and next prime (1296472063).

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

1296472038 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108039331 + ... + 108039342.

It is an arithmetic number, because the mean of its divisors is an integer number (324118011).

Almost surely, 21296472038 is an apocalyptic number.

1296472038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1296472038 is a wasteful number, since it uses less digits than its factorization.

1296472038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216078678.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 1296472038 is about 36006.5554864666. Note that the first 3 decimals coincide. The cubic root of 1296472038 is about 1090.4047084544.

The spelling of 1296472038 in words is "one billion, two hundred ninety-six million, four hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 3 6 216078673 432157346 648236019 1296472038