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5481597492 = 2232721752371
BaseRepresentation
bin1010001101011101…
…01000101000110100
3112011000121000010100
411012232220220310
542211242104432
62303533354100
7252560544540
oct50656505064
915130530110
105481597492
112363245368
12108b938930
1369486c717
143a0026a20
1522138707c
hex146ba8a34

5481597492 has 36 divisors (see below), whose sum is σ = 15835726816. Its totient is φ = 1566170640.

The previous prime is 5481597463. The next prime is 5481597581. The reversal of 5481597492 is 2947951845.

It is a happy number.

5481597492 is a `hidden beast` number, since 5 + 4 + 8 + 1 + 597 + 49 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×54815974922 = 60095822128601380128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10875934 + ... + 10876437.

Almost surely, 25481597492 is an apocalyptic number.

It is an amenable number.

5481597492 is an abundant number, since it is smaller than the sum of its proper divisors (10354129324).

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

5481597492 is a wasteful number, since it uses less digits than its factorization.

5481597492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21752388 (or 21752383 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The square root of 5481597492 is about 74037.8112318294. The cubic root of 5481597492 is about 1763.2032629148.

The spelling of 5481597492 in words is "five billion, four hundred eighty-one million, five hundred ninety-seven thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 21752371 43504742 65257113 87009484 130514226 152266597 195771339 261028452 304533194 391542678 456799791 609066388 783085356 913599582 1370399373 1827199164 2740798746 5481597492