Search a number
-
+
9031609460 = 225451580473
BaseRepresentation
bin10000110100101001…
…10110110001110100
3212022102120022001002
420122110312301310
5121444043000320
64052110422432
7436545261626
oct103224666164
925272508032
109031609460
113915120955
121900801a18
13b0c199a13
146196c2c16
1537cd72675
hex21a536c74

9031609460 has 12 divisors (see below), whose sum is σ = 18966379908. Its totient is φ = 3612643776.

The previous prime is 9031609423. The next prime is 9031609513. The reversal of 9031609460 is 649061309.

It can be written as a sum of positive squares in 2 ways, for example, as 5409014116 + 3622595344 = 73546^2 + 60188^2 .

It is a super-2 number, since 2×90316094602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225790217 + ... + 225790256.

It is an arithmetic number, because the mean of its divisors is an integer number (1580531659).

Almost surely, 29031609460 is an apocalyptic number.

It is an amenable number.

9031609460 is an abundant number, since it is smaller than the sum of its proper divisors (9934770448).

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

9031609460 is a wasteful number, since it uses less digits than its factorization.

9031609460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451580482 (or 451580480 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 9031609460 is about 95034.7802649114. The cubic root of 9031609460 is about 2082.5161749398.

The spelling of 9031609460 in words is "nine billion, thirty-one million, six hundred nine thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 451580473 903160946 1806321892 2257902365 4515804730 9031609460