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5487156409 = 75359250681
BaseRepresentation
bin1010001110000111…
…10101110010111001
3112011102001102112011
411013003311302321
542214203001114
62304252445521
7252656026360
oct50703656271
915142042464
105487156409
1123663a1909
1210917798a1
13695a67a17
143a0a727d7
15221ad41c4
hex1470f5cb9

5487156409 has 16 divisors (see below), whose sum is σ = 6497677440. Its totient is φ = 4536305280.

The previous prime is 5487156383. The next prime is 5487156443. The reversal of 5487156409 is 9046517845.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5487156409 - 29 = 5487155897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487156449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103452 + ... + 147229.

It is an arithmetic number, because the mean of its divisors is an integer number (406104840).

Almost surely, 25487156409 is an apocalyptic number.

5487156409 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

5487156409 is a deficient number, since it is larger than the sum of its proper divisors (1010521031).

5487156409 is a wasteful number, since it uses less digits than its factorization.

5487156409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250800.

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 5487156409 is about 74075.3427869220. The cubic root of 5487156409 is about 1763.7990861349.

The spelling of 5487156409 in words is "five billion, four hundred eighty-seven million, one hundred fifty-six thousand, four hundred nine".

Divisors: 1 7 53 59 371 413 3127 21889 250681 1754767 13286093 14790179 93002651 103531253 783879487 5487156409