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1252152232 = 23156519029
BaseRepresentation
bin100101010100010…
…0101001110101000
310020021010220221121
41022220211032220
510031022332412
6324125545024
743013055412
oct11250451650
93207126847
101252152232
11592897561
122ab415174
1316c5543a6
14bc4279b2
1574ddd107
hex4aa253a8

1252152232 has 8 divisors (see below), whose sum is σ = 2347785450. Its totient is φ = 626076112.

The previous prime is 1252152179. The next prime is 1252152257. The reversal of 1252152232 is 2322512521.

It can be written as a sum of positive squares in only one way, i.e., 966339396 + 285812836 = 31086^2 + 16906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1252152197 and 1252152206.

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 as a sum of consecutive naturals, namely, 78259507 + ... + 78259522.

Almost surely, 21252152232 is an apocalyptic number.

It is an amenable number.

1252152232 is a deficient number, since it is larger than the sum of its proper divisors (1095633218).

1252152232 is a wasteful number, since it uses less digits than its factorization.

1252152232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156519035 (or 156519031 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 1252152232 is about 35385.7631258674. The cubic root of 1252152232 is about 1077.8352362970.

Adding to 1252152232 its reverse (2322512521), we get a palindrome (3574664753).

The spelling of 1252152232 in words is "one billion, two hundred fifty-two million, one hundred fifty-two thousand, two hundred thirty-two".

Divisors: 1 2 4 8 156519029 313038058 626076116 1252152232