Search a number
-
+
1379540804 = 22477337983
BaseRepresentation
bin101001000111010…
…0001111101000100
310120010211221012212
41102032201331010
510311130301204
6344520202552
746120621565
oct12216417504
93503757185
101379540804
11648795474
12326009458
1318ca67345
14d130816c
15811a2c6e
hex523a1f44

1379540804 has 12 divisors (see below), whose sum is σ = 2465562624. Its totient is φ = 675094344.

The previous prime is 1379540801. The next prime is 1379540821. The reversal of 1379540804 is 4080459731.

It is not an unprimeable number, because it can be changed into a prime (1379540801) 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, 3668804 + ... + 3669179.

It is an arithmetic number, because the mean of its divisors is an integer number (205463552).

Almost surely, 21379540804 is an apocalyptic number.

It is an amenable number.

1379540804 is a deficient number, since it is larger than the sum of its proper divisors (1086021820).

1379540804 is a wasteful number, since it uses less digits than its factorization.

1379540804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7338034 (or 7338032 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 1379540804 is about 37142.1701573831. The cubic root of 1379540804 is about 1113.2127800034.

The spelling of 1379540804 in words is "one billion, three hundred seventy-nine million, five hundred forty thousand, eight hundred four".

Divisors: 1 2 4 47 94 188 7337983 14675966 29351932 344885201 689770402 1379540804