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1402430439 = 3641729293
BaseRepresentation
bin101001110010111…
…0110001111100111
310121201220211220010
41103211312033213
510333010233224
6351054541303
746516314324
oct12345661747
93551824803
101402430439
1165a6a9823
12331807833
1319471cac7
14d4385b4b
15831c4e29
hex539763e7

1402430439 has 8 divisors (see below), whose sum is σ = 1872826992. Its totient is φ = 933493760.

The previous prime is 1402430431. The next prime is 1402430467. The reversal of 1402430439 is 9340342041.

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

It is a cyclic number.

It is not a de Polignac number, because 1402430439 - 23 = 1402430431 is a prime.

It is a super-2 number, since 2×14024304392 = 3933622272467465442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402430431) 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 7 ways as a sum of consecutive naturals, for example, 362724 + ... + 366569.

It is an arithmetic number, because the mean of its divisors is an integer number (234103374).

Almost surely, 21402430439 is an apocalyptic number.

1402430439 is a deficient number, since it is larger than the sum of its proper divisors (470396553).

1402430439 is an equidigital number, since it uses as much as digits as its factorization.

1402430439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729937.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 1402430439 is about 37449.0378915133. The cubic root of 1402430439 is about 1119.3359262205.

The spelling of 1402430439 in words is "one billion, four hundred two million, four hundred thirty thousand, four hundred thirty-nine".

Divisors: 1 3 641 1923 729293 2187879 467476813 1402430439