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1252532413 = 112331315817
BaseRepresentation
bin100101010101000…
…0010000010111101
310020021212020110101
41022222002002331
510031122014123
6324142041101
743016230666
oct11252020275
93207766411
101252532413
11593027160
122ab579191
1316c658452
14bc4c636d
1574e65aad
hex4aa820bd

1252532413 has 16 divisors (see below), whose sum is σ = 1430453376. Its totient is φ = 1085610240.

The previous prime is 1252532389. The next prime is 1252532447. The reversal of 1252532413 is 3142352521.

It is not a de Polignac number, because 1252532413 - 25 = 1252532381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252532213) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 71281 + ... + 87097.

It is an arithmetic number, because the mean of its divisors is an integer number (89403336).

Almost surely, 21252532413 is an apocalyptic number.

It is an amenable number.

1252532413 is a deficient number, since it is larger than the sum of its proper divisors (177920963).

1252532413 is a wasteful number, since it uses less digits than its factorization.

1252532413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16164.

The product of its digits is 7200, while the sum is 28.

The square root of 1252532413 is about 35391.1346667495. The cubic root of 1252532413 is about 1077.9443100987.

Adding to 1252532413 its reverse (3142352521), we get a palindrome (4394884934).

The spelling of 1252532413 in words is "one billion, two hundred fifty-two million, five hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 11 23 253 313 3443 7199 15817 79189 173987 363791 4001701 4950721 54457931 113866583 1252532413