Search a number
-
+
650124945 = 32514447221
BaseRepresentation
bin100110110000000…
…001111010010001
31200022022202202200
4212300001322101
52312412444240
6144302233413
722052654001
oct4660017221
91608282680
10650124945
11303a84548
12161885869
13a48c8b22
14624b4001
153c11e930
hex26c01e91

650124945 has 12 divisors (see below), whose sum is σ = 1126883316. Its totient is φ = 346733280.

The previous prime is 650124883. The next prime is 650124989. The reversal of 650124945 is 549421056.

It can be written as a sum of positive squares in 2 ways, for example, as 98485776 + 551639169 = 9924^2 + 23487^2 .

It is not a de Polignac number, because 650124945 - 214 = 650108561 is a prime.

It is a super-2 number, since 2×6501249452 = 845324888222506050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7223566 + ... + 7223655.

It is an arithmetic number, because the mean of its divisors is an integer number (93906943).

Almost surely, 2650124945 is an apocalyptic number.

It is an amenable number.

650124945 is a deficient number, since it is larger than the sum of its proper divisors (476758371).

650124945 is a wasteful number, since it uses less digits than its factorization.

650124945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14447232 (or 14447229 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 650124945 is about 25497.5478232712. The cubic root of 650124945 is about 866.2946055003.

The spelling of 650124945 in words is "six hundred fifty million, one hundred twenty-four thousand, nine hundred forty-five".

Divisors: 1 3 5 9 15 45 14447221 43341663 72236105 130024989 216708315 650124945