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2152357252 = 223271164503
BaseRepresentation
bin1000000001001010…
…0101110110000100
312120000001002002021
42000102211312010
513402000413002
6553324252524
7104223510013
oct20022456604
95500032067
102152357252
11a04a49951
125009a1144
13283bc0196
14165bd8a7a
15c8e5a737
hex804a5d84

2152357252 has 12 divisors (see below), whose sum is σ = 3767799616. Its totient is φ = 1075843080.

The previous prime is 2152357247. The next prime is 2152357253. The reversal of 2152357252 is 2527532512.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2152357253) by changing a digit.

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, 69168 + ... + 95335.

Almost surely, 22152357252 is an apocalyptic number.

It is an amenable number.

2152357252 is a deficient number, since it is larger than the sum of its proper divisors (1615442364).

2152357252 is a wasteful number, since it uses less digits than its factorization.

2152357252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167778 (or 167776 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 2152357252 is about 46393.5044160279. The cubic root of 2152357252 is about 1291.1344010516.

Adding to 2152357252 its reverse (2527532512), we get a palindrome (4679889764).

The spelling of 2152357252 in words is "two billion, one hundred fifty-two million, three hundred fifty-seven thousand, two hundred fifty-two".

Divisors: 1 2 4 3271 6542 13084 164503 329006 658012 538089313 1076178626 2152357252