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914941439 = 3724728147
BaseRepresentation
bin110110100010001…
…110010111111111
32100202121211200222
4312202032113333
53333211111224
6230442211555
731446605516
oct6642162777
92322554628
10914941439
1142a508055
122164b3bbb
13117728489
148972967d
15554cdb5e
hex3688e5ff

914941439 has 4 divisors (see below), whose sum is σ = 939669624. Its totient is φ = 890213256.

The previous prime is 914941427. The next prime is 914941457. The reversal of 914941439 is 934149419.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-914941439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 914941439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (914941939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12364037 + ... + 12364110.

It is an arithmetic number, because the mean of its divisors is an integer number (234917406).

Almost surely, 2914941439 is an apocalyptic number.

914941439 is a deficient number, since it is larger than the sum of its proper divisors (24728185).

914941439 is a wasteful number, since it uses less digits than its factorization.

914941439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24728184.

The product of its digits is 139968, while the sum is 44.

The square root of 914941439 is about 30247.9989255488. The cubic root of 914941439 is about 970.8029766526.

The spelling of 914941439 in words is "nine hundred fourteen million, nine hundred forty-one thousand, four hundred thirty-nine".

Divisors: 1 37 24728147 914941439