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1344631460 = 225479714747
BaseRepresentation
bin101000000100101…
…0111001010100100
310110201011100121012
41100021113022210
510223211201320
6341232041352
745215115224
oct12011271244
93421140535
101344631460
11630011577
12316393258
13185763923
14ca81c084
157d0a94c5
hex502572a4

1344631460 has 48 divisors (see below), whose sum is σ = 2913732864. Its totient is φ = 520946688.

The previous prime is 1344631459. The next prime is 1344631511. The reversal of 1344631460 is 641364431.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83807 + ... + 98553.

It is an arithmetic number, because the mean of its divisors is an integer number (60702768).

Almost surely, 21344631460 is an apocalyptic number.

1344631460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1344631460 is an abundant number, since it is smaller than the sum of its proper divisors (1569101404).

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

1344631460 is a wasteful number, since it uses less digits than its factorization.

1344631460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14900 (or 14898 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 1344631460 is about 36669.2167901088. The cubic root of 1344631460 is about 1103.7424758590.

Adding to 1344631460 its reverse (641364431), we get a palindrome (1985995891).

The spelling of 1344631460 in words is "one billion, three hundred forty-four million, six hundred thirty-one thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 47 94 97 188 194 235 388 470 485 940 970 1940 4559 9118 14747 18236 22795 29494 45590 58988 73735 91180 147470 294940 693109 1386218 1430459 2772436 2860918 3465545 5721836 6931090 7152295 13862180 14304590 28609180 67231573 134463146 268926292 336157865 672315730 1344631460