Search a number
-
+
5457498785 = 51247387509
BaseRepresentation
bin1010001010100101…
…01101001010100001
3112002100020122220122
411011102231022201
542134104430120
62301313050025
7252145655114
oct50522551241
915070218818
105457498785
112350685682
121083856915
1368c88282b
1439ab5257b
1521e1c6a25
hex1454ad2a1

5457498785 has 8 divisors (see below), whose sum is σ = 6549598440. Its totient is φ = 4365599104.

The previous prime is 5457498749. The next prime is 5457498793. The reversal of 5457498785 is 5878947545.

It can be written as a sum of positive squares in 4 ways, for example, as 2492805184 + 2964693601 = 49928^2 + 54449^2 .

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 5457498785 - 26 = 5457498721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18611 + ... + 106119.

It is an arithmetic number, because the mean of its divisors is an integer number (818699805).

Almost surely, 25457498785 is an apocalyptic number.

It is an amenable number.

5457498785 is a deficient number, since it is larger than the sum of its proper divisors (1092099655).

5457498785 is a wasteful number, since it uses less digits than its factorization.

5457498785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99987.

The product of its digits is 56448000, while the sum is 62.

The square root of 5457498785 is about 73874.8860236007. The cubic root of 5457498785 is about 1760.6156146420.

The spelling of 5457498785 in words is "five billion, four hundred fifty-seven million, four hundred ninety-eight thousand, seven hundred eighty-five".

Divisors: 1 5 12473 62365 87509 437545 1091499757 5457498785