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5147620 = 225257381
BaseRepresentation
bin10011101000101111100100
3100200112012121
4103220233210
52304210440
6302155324
761516432
oct23505744
910615177
105147620
1129a6535
121882b44
1310b303a
1497dd52
156ba34a
hex4e8be4

5147620 has 12 divisors (see below), whose sum is σ = 10810044. Its totient is φ = 2059040.

The previous prime is 5147609. The next prime is 5147621. The reversal of 5147620 is 267415.

It can be written as a sum of positive squares in 2 ways, for example, as 2244004 + 2903616 = 1498^2 + 1704^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128671 + ... + 128710.

It is an arithmetic number, because the mean of its divisors is an integer number (900837).

Almost surely, 25147620 is an apocalyptic number.

It is an amenable number.

5147620 is an abundant number, since it is smaller than the sum of its proper divisors (5662424).

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

5147620 is a wasteful number, since it uses less digits than its factorization.

5147620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257390 (or 257388 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 5147620 is about 2268.8367063321. The cubic root of 5147620 is about 172.6641439748.

The spelling of 5147620 in words is "five million, one hundred forty-seven thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 257381 514762 1029524 1286905 2573810 5147620