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1344518420 = 22579603703
BaseRepresentation
bin101000000100011…
…1011100100010100
310110200221121112112
41100020323210110
510223144042140
6341225410152
745214134530
oct12010734424
93420847475
101344518420
1162aa44653
12316339958
1318572433b
14ca7ccbc0
157d085c65
hex5023b914

1344518420 has 24 divisors (see below), whose sum is σ = 3226844544. Its totient is φ = 460977696.

The previous prime is 1344518419. The next prime is 1344518437. The reversal of 1344518420 is 248154431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801712 + ... + 4801991.

It is an arithmetic number, because the mean of its divisors is an integer number (134451856).

Almost surely, 21344518420 is an apocalyptic number.

1344518420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344518420 is an abundant number, since it is smaller than the sum of its proper divisors (1882326124).

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

1344518420 is a wasteful number, since it uses less digits than its factorization.

1344518420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9603719 (or 9603717 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 1344518420 is about 36667.6754103666. The cubic root of 1344518420 is about 1103.7115453154.

The spelling of 1344518420 in words is "one billion, three hundred forty-four million, five hundred eighteen thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 9603703 19207406 38414812 48018515 67225921 96037030 134451842 192074060 268903684 336129605 672259210 1344518420