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2152405052 = 227751102359
BaseRepresentation
bin1000000001001011…
…0001100000111100
312120000010111122122
42000102301200330
513402003430202
6553325302112
7104224066250
oct20022614074
95500114578
102152405052
11a04a81856
12500a04938
13283c08b75
14165c0c260
15c8e699a2
hex804b183c

2152405052 has 24 divisors (see below), whose sum is σ = 4310584320. Its totient is φ = 921222000.

The previous prime is 2152405009. The next prime is 2152405061. The reversal of 2152405052 is 2505042512.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 30152 + ... + 72207.

It is an arithmetic number, because the mean of its divisors is an integer number (179607680).

Almost surely, 22152405052 is an apocalyptic number.

It is an amenable number.

2152405052 is an abundant number, since it is smaller than the sum of its proper divisors (2158179268).

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

2152405052 is a wasteful number, since it uses less digits than its factorization.

2152405052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103121 (or 103119 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2152405052 is about 46394.0195714922. The cubic root of 2152405052 is about 1291.1439589084.

Adding to 2152405052 its reverse (2505042512), we get a palindrome (4657447564).

The spelling of 2152405052 in words is "two billion, one hundred fifty-two million, four hundred five thousand, fifty-two".

Divisors: 1 2 4 7 14 28 751 1502 3004 5257 10514 21028 102359 204718 409436 716513 1433026 2866052 76871609 153743218 307486436 538101263 1076202526 2152405052