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1406152799 = 7119804969
BaseRepresentation
bin101001111010000…
…0011000001011111
310121222220222000022
41103310003001133
510334433342144
6351310422355
746563046562
oct12364030137
93558828008
101406152799
11661811457
12332b019bb
1319542419c
14d4a744d9
15836accee
hex53d0305f

1406152799 has 4 divisors (see below), whose sum is σ = 1425957840. Its totient is φ = 1386347760.

The previous prime is 1406152789. The next prime is 1406152801. The reversal of 1406152799 is 9972516041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9972516041 = 67148843523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1406152799 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 (1406152729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9902414 + ... + 9902555.

It is an arithmetic number, because the mean of its divisors is an integer number (356489460).

Almost surely, 21406152799 is an apocalyptic number.

1406152799 is a deficient number, since it is larger than the sum of its proper divisors (19805041).

1406152799 is an equidigital number, since it uses as much as digits as its factorization.

1406152799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19805040.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1406152799 is about 37498.7039642706. The cubic root of 1406152799 is about 1120.3253728876.

The spelling of 1406152799 in words is "one billion, four hundred six million, one hundred fifty-two thousand, seven hundred ninety-nine".

Divisors: 1 71 19804969 1406152799