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5147256240 = 243357675081
BaseRepresentation
bin1001100101100110…
…01110010110110000
3111021201110201011000
410302303032112300
541020144144430
62210431322000
7241360645650
oct46263162660
914251421130
105147256240
112201545885
12bb7980300
13640509969
1436b874360
15201d42e60
hex132cce5b0

5147256240 has 320 divisors, whose sum is σ = 20568683520. Its totient is φ = 1158727680.

The previous prime is 5147256239. The next prime is 5147256259. The reversal of 5147256240 is 426527415.

It is a happy number.

5147256240 is a `hidden beast` number, since 5 + 1 + 4 + 7 + 25 + 624 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5147256195 and 5147256204.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1010500 + ... + 1015580.

It is an arithmetic number, because the mean of its divisors is an integer number (64277136).

Almost surely, 25147256240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5147256240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10284341760).

5147256240 is an abundant number, since it is smaller than the sum of its proper divisors (15421427280).

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

5147256240 is a wasteful number, since it uses less digits than its factorization.

5147256240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5177 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 5147256240 is about 71744.3812434117. The cubic root of 5147256240 is about 1726.6007673668.

The spelling of 5147256240 in words is "five billion, one hundred forty-seven million, two hundred fifty-six thousand, two hundred forty".