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1405130379 = 32511866043
BaseRepresentation
bin101001111000000…
…1001011010001011
310121221000000111220
41103300021122023
510334203133004
6351232453123
746551261012
oct12360113213
93557000456
101405130379
11661183284
123326aa1a3
131951569c3
14d4889a79
1583559dd9
hex53c0968b

1405130379 has 8 divisors (see below), whose sum is σ = 1880972352. Its totient is φ = 933021000.

The previous prime is 1405130369. The next prime is 1405130387. The reversal of 1405130379 is 9730315041.

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

It is not a de Polignac number, because 1405130379 - 25 = 1405130347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405130369) 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, 932269 + ... + 933774.

It is an arithmetic number, because the mean of its divisors is an integer number (235121544).

Almost surely, 21405130379 is an apocalyptic number.

1405130379 is a deficient number, since it is larger than the sum of its proper divisors (475841973).

1405130379 is a wasteful number, since it uses less digits than its factorization.

1405130379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866297.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 1405130379 is about 37485.0687474360. The cubic root of 1405130379 is about 1120.0537758512.

The spelling of 1405130379 in words is "one billion, four hundred five million, one hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 3 251 753 1866043 5598129 468376793 1405130379