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1404676893 = 3468225631
BaseRepresentation
bin101001110111001…
…1010101100011101
310121220010222110010
41103232122230131
510334044130033
6351215033433
746544361624
oct12356325435
93556128403
101404676893
116609a35a4
1233250b879
13195028479
14d47ac6bb
15834ba863
hex53b9ab1d

1404676893 has 4 divisors (see below), whose sum is σ = 1872902528. Its totient is φ = 936451260.

The previous prime is 1404676883. The next prime is 1404676937. The reversal of 1404676893 is 3986764041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1404676893 - 225 = 1371122461 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 (1404676813) 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, 234112813 + ... + 234112818.

It is an arithmetic number, because the mean of its divisors is an integer number (468225632).

Almost surely, 21404676893 is an apocalyptic number.

It is an amenable number.

1404676893 is a deficient number, since it is larger than the sum of its proper divisors (468225635).

1404676893 is an equidigital number, since it uses as much as digits as its factorization.

1404676893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468225634.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1404676893 is about 37479.0193708427. The cubic root of 1404676893 is about 1119.9332690365.

The spelling of 1404676893 in words is "one billion, four hundred four million, six hundred seventy-six thousand, eight hundred ninety-three".

Divisors: 1 3 468225631 1404676893