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1347444372 = 223611840771
BaseRepresentation
bin101000001010000…
…0101111010010100
310110220110021012010
41100110011322110
510224421204442
6341412224220
745251042151
oct12024057224
93426407163
101347444372
1163166299a
1231730b070
1318620a081
14cad51228
157d462b9c
hex50505e94

1347444372 has 24 divisors (see below), whose sum is σ = 3195580192. Its totient is φ = 441784800.

The previous prime is 1347444353. The next prime is 1347444379. The reversal of 1347444372 is 2734447431.

It is a self number, because there is not a number n which added to its sum of digits gives 1347444372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347444379) 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, 919654 + ... + 921117.

Almost surely, 21347444372 is an apocalyptic number.

1347444372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1347444372 is an abundant number, since it is smaller than the sum of its proper divisors (1848135820).

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

1347444372 is a wasteful number, since it uses less digits than its factorization.

1347444372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840839 (or 1840837 counting only the distinct ones).

The product of its digits is 225792, while the sum is 39.

The square root of 1347444372 is about 36707.5519750364. The cubic root of 1347444372 is about 1104.5116006023.

The spelling of 1347444372 in words is "one billion, three hundred forty-seven million, four hundred forty-four thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 1840771 3681542 5522313 7363084 11044626 22089252 112287031 224574062 336861093 449148124 673722186 1347444372