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1252073249 = 7311575137
BaseRepresentation
bin100101010100001…
…0001111100100001
310020020222220121022
41022220101330201
510031012320444
6324124135225
743012306220
oct11250217441
93206886538
101252073249
11592843189
122ab397515
1316c52745b
14bc406cb7
1574dc49ee
hex4aa11f21

1252073249 has 8 divisors (see below), whose sum is σ = 1435544448. Its totient is φ = 1069752960.

The previous prime is 1252073227. The next prime is 1252073281. The reversal of 1252073249 is 9423702521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1252073249 - 212 = 1252069153 is a prime.

It is a super-3 number, since 3×12520732493 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252073549) 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 7 ways as a sum of consecutive naturals, for example, 285392 + ... + 289745.

It is an arithmetic number, because the mean of its divisors is an integer number (179443056).

Almost surely, 21252073249 is an apocalyptic number.

It is an amenable number.

1252073249 is a deficient number, since it is larger than the sum of its proper divisors (183471199).

1252073249 is an equidigital number, since it uses as much as digits as its factorization.

1252073249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575455.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 1252073249 is about 35384.6470803370. The cubic root of 1252073249 is about 1077.8125733310.

The spelling of 1252073249 in words is "one billion, two hundred fifty-two million, seventy-three thousand, two hundred forty-nine".

Divisors: 1 7 311 2177 575137 4025959 178867607 1252073249