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5156481 = 311156257
BaseRepresentation
bin10011101010111010000001
3100200222100210
4103222322001
52310001411
6302304333
761554321
oct23527201
910628323
105156481
112a02160
1218880a9
1310b7095
14983281
156bcca6
hex4eae81

5156481 has 8 divisors (see below), whose sum is σ = 7500384. Its totient is φ = 3125120.

The previous prime is 5156479. The next prime is 5156497. The reversal of 5156481 is 1846515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5156481 - 21 = 5156479 is a prime.

It is a super-2 number, since 2×51564812 = 53178592606722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5156441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78096 + ... + 78161.

It is an arithmetic number, because the mean of its divisors is an integer number (937548).

Almost surely, 25156481 is an apocalyptic number.

It is an amenable number.

5156481 is a deficient number, since it is larger than the sum of its proper divisors (2343903).

5156481 is a wasteful number, since it uses less digits than its factorization.

5156481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156271.

The product of its digits is 4800, while the sum is 30.

The square root of 5156481 is about 2270.7886295294. The cubic root of 5156481 is about 172.7631606031.

It can be divided in two parts, 515 and 6481, that added together give a palindrome (6996).

The spelling of 5156481 in words is "five million, one hundred fifty-six thousand, four hundred eighty-one".

Divisors: 1 3 11 33 156257 468771 1718827 5156481