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5405487144 = 2331713248743
BaseRepresentation
bin1010000100011000…
…10011000000101000
3111221201101012100120
411002030103000220
542032301042034
62252214203240
7250644611511
oct50214230050
914851335316
105405487144
112324290552
12106a353520
13681b71905
14393c93a08
15219850c49
hex142313028

5405487144 has 32 divisors (see below), whose sum is σ = 14308643520. Its totient is φ = 1695838976.

The previous prime is 5405487107. The next prime is 5405487167. The reversal of 5405487144 is 4417845045.

It is a junction number, because it is equal to n+sod(n) for n = 5405487096 and 5405487105.

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, 6623964 + ... + 6624779.

It is an arithmetic number, because the mean of its divisors is an integer number (447145110).

Almost surely, 25405487144 is an apocalyptic number.

It is an amenable number.

5405487144 is an abundant number, since it is smaller than the sum of its proper divisors (8903156376).

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

5405487144 is a wasteful number, since it uses less digits than its factorization.

5405487144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248769 (or 13248765 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 42.

The square root of 5405487144 is about 73522.0180898212. The cubic root of 5405487144 is about 1755.0046827417.

The spelling of 5405487144 in words is "five billion, four hundred five million, four hundred eighty-seven thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 13248743 26497486 39746229 52994972 79492458 105989944 158984916 225228631 317969832 450457262 675685893 900914524 1351371786 1801829048 2702743572 5405487144