Search a number
-
+
1420376590 = 251027113829
BaseRepresentation
bin101010010101001…
…0011101000001110
310122222200121101101
41110222103220032
510402104022330
6352535333314
750125000423
oct12452235016
93588617341
101420376590
11669846a56
1233782123a
13198364429
14d68d7d4a
1584a6c4ca
hex54a93a0e

1420376590 has 16 divisors (see below), whose sum is σ = 2557111680. Its totient is φ = 568054240.

The previous prime is 1420376563. The next prime is 1420376599. The reversal of 1420376590 is 956730241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420376599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95796 + ... + 109624.

It is an arithmetic number, because the mean of its divisors is an integer number (159819480).

Almost surely, 21420376590 is an apocalyptic number.

1420376590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1420376590 is a deficient number, since it is larger than the sum of its proper divisors (1136735090).

1420376590 is a wasteful number, since it uses less digits than its factorization.

1420376590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1420376590 is about 37687.8838620584. The cubic root of 1420376590 is about 1124.0902182073.

The spelling of 1420376590 in words is "one billion, four hundred twenty million, three hundred seventy-six thousand, five hundred ninety".

Divisors: 1 2 5 10 10271 13829 20542 27658 51355 69145 102710 138290 142037659 284075318 710188295 1420376590