Search a number
-
+
2152226620 = 225107611331
BaseRepresentation
bin1000000001001000…
…0101111100111100
312112222210102220001
42000102011330330
513401432222440
6553321404044
7104222424115
oct20022057474
95488712801
102152226620
11a0496a795
12500939624
13283b7589b
14165ba320c
15c8e31b9a
hex80485f3c

2152226620 has 12 divisors (see below), whose sum is σ = 4519675944. Its totient is φ = 860890640.

The previous prime is 2152226617. The next prime is 2152226647. The reversal of 2152226620 is 266222512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53805646 + ... + 53805685.

It is an arithmetic number, because the mean of its divisors is an integer number (376639662).

Almost surely, 22152226620 is an apocalyptic number.

2152226620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152226620 is an abundant number, since it is smaller than the sum of its proper divisors (2367449324).

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

2152226620 is a wasteful number, since it uses less digits than its factorization.

2152226620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107611340 (or 107611338 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2152226620 is about 46392.0965251626. The cubic root of 2152226620 is about 1291.1082797867.

The spelling of 2152226620 in words is "two billion, one hundred fifty-two million, two hundred twenty-six thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 107611331 215222662 430445324 538056655 1076113310 2152226620