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1342772431 = 721113214741
BaseRepresentation
bin101000000001001…
…0001010011001111
310110120122220111021
41100002101103033
510222222204211
6341124135011
745163243300
oct12002212317
93416586437
101342772431
11629a61890
12315837467
13185262700
14ca4967a7
157cd3d771
hex500914cf

1342772431 has 36 divisors (see below), whose sum is σ = 1845285624. Its totient is φ = 965764800.

The previous prime is 1342772383. The next prime is 1342772447.

1342772431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1342772431 - 225 = 1309217999 is a prime.

It is a super-2 number, since 2×13427724312 = 3606075602907299522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342772461) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 83721 + ... + 98461.

It is an arithmetic number, because the mean of its divisors is an integer number (51257934).

Almost surely, 21342772431 is an apocalyptic number.

1342772431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342772431 is a deficient number, since it is larger than the sum of its proper divisors (502513193).

1342772431 is a wasteful number, since it uses less digits than its factorization.

1342772431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14792 (or 14772 counting only the distinct ones).

The product of its digits is 28224, while the sum is 34.

The square root of 1342772431 is about 36643.8593900806. The cubic root of 1342772431 is about 1103.2335791397.

It can be divided in two parts, 13427 and 72431, that added together give a palindrome (85858).

The spelling of 1342772431 in words is "one billion, three hundred forty-two million, seven hundred seventy-two thousand, four hundred thirty-one".

Divisors: 1 7 11 13 49 77 91 143 169 539 637 1001 1183 1859 7007 8281 13013 14741 91091 103187 162151 191633 722309 1135057 1341431 2107963 2491229 7945399 9390017 14755741 17438603 27403519 103290187 122070221 191824633 1342772431