Search a number
-
+
2153952452 = 222221242453
BaseRepresentation
bin1000000001100010…
…1011010011000100
312120010001010021202
42000120223103010
513402402434302
6553422402032
7104243202521
oct20030532304
95503033252
102153952452
11a059393a3
12501430318
1328432b2a2
141660d2148
15c9173202
hex8062b4c4

2153952452 has 12 divisors (see below), whose sum is σ = 3771129516. Its totient is φ = 1076486880.

The previous prime is 2153952443. The next prime is 2153952469. The reversal of 2153952452 is 2542593512.

It can be written as a sum of positive squares in 2 ways, for example, as 1135959616 + 1017992836 = 33704^2 + 31906^2 .

It is a super-2 number, since 2×21539524522 = 9279022330953624608, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112343 + ... + 130110.

It is an arithmetic number, because the mean of its divisors is an integer number (314260793).

Almost surely, 22153952452 is an apocalyptic number.

It is an amenable number.

2153952452 is a deficient number, since it is larger than the sum of its proper divisors (1617177064).

2153952452 is a wasteful number, since it uses less digits than its factorization.

2153952452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244678 (or 244676 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 2153952452 is about 46410.6932936796. The cubic root of 2153952452 is about 1291.4532931224.

The spelling of 2153952452 in words is "two billion, one hundred fifty-three million, nine hundred fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 4 2221 4442 8884 242453 484906 969812 538488113 1076976226 2153952452