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468978039 = 3317369557
BaseRepresentation
bin11011111101000…
…000100101110111
31012200110112221000
4123331000211313
51430024244124
6114311454343
714423150625
oct3375004567
91180415830
10468978039
112207a9162
121110873b3
1376212bca
14463dc515
152b28b6c9
hex1bf40977

468978039 has 8 divisors (see below), whose sum is σ = 694782320. Its totient is φ = 312652008.

The previous prime is 468978023. The next prime is 468978043. The reversal of 468978039 is 930879864.

It is not a de Polignac number, because 468978039 - 24 = 468978023 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 (468978089) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8684752 + ... + 8684805.

It is an arithmetic number, because the mean of its divisors is an integer number (86847790).

Almost surely, 2468978039 is an apocalyptic number.

468978039 is a deficient number, since it is larger than the sum of its proper divisors (225804281).

468978039 is a wasteful number, since it uses less digits than its factorization.

468978039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17369566 (or 17369560 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 468978039 is about 21655.9007893923. The cubic root of 468978039 is about 776.9340741013.

It can be divided in two parts, 4689 and 78039, that added together give a palindrome (82728).

The spelling of 468978039 in words is "four hundred sixty-eight million, nine hundred seventy-eight thousand, thirty-nine".

Divisors: 1 3 9 27 17369557 52108671 156326013 468978039