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1344142340 = 225791018423
BaseRepresentation
bin101000000011101…
…1111110000000100
310110200020111122122
41100013133300010
510223100023330
6341213345112
745211010222
oct12007376004
93420214578
101344142340
1162a808042
12316198198
131856220c8
14ca731b12
157d00e5e5
hex501dfc04

1344142340 has 48 divisors (see below), whose sum is σ = 2887073280. Its totient is φ = 525532800.

The previous prime is 1344142313. The next prime is 1344142367. The reversal of 1344142340 is 432414431.

It is an interprime number because it is at equal distance from previous prime (1344142313) and next prime (1344142367).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155369 + ... + 163791.

It is an arithmetic number, because the mean of its divisors is an integer number (60147360).

Almost surely, 21344142340 is an apocalyptic number.

1344142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344142340 is an abundant number, since it is smaller than the sum of its proper divisors (1542930940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344142340 is a wasteful number, since it uses less digits than its factorization.

1344142340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8612 (or 8610 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1344142340 is about 36662.5468291552. The cubic root of 1344142340 is about 1103.6086280331.

Adding to 1344142340 its reverse (432414431), we get a palindrome (1776556771).

The spelling of 1344142340 in words is "one billion, three hundred forty-four million, one hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 79 101 158 202 316 395 404 505 790 1010 1580 2020 7979 8423 15958 16846 31916 33692 39895 42115 79790 84230 159580 168460 665417 850723 1330834 1701446 2661668 3327085 3402892 4253615 6654170 8507230 13308340 17014460 67207117 134414234 268828468 336035585 672071170 1344142340