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75325041 = 321122632
BaseRepresentation
bin1000111110101…
…01111001110001
312020201220112100
410133111321301
5123240400131
611250251013
71603152351
oct437257161
9166656470
1075325041
1139578900
1221286a69
13127b453c
14a00ab61
15692d7e6
hex47d5e71

75325041 has 27 divisors (see below), whose sum is σ = 120049657. Its totient is φ = 45477960.

The previous prime is 75325039. The next prime is 75325049. The reversal of 75325041 is 14052357.

It is a happy number.

The square root of 75325041 is 8679.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 75325041 - 21 = 75325039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75324996 and 75325014.

It is not an unprimeable number, because it can be changed into a prime (75325049) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 286276 + ... + 286538.

Almost surely, 275325041 is an apocalyptic number.

75325041 is the 8679-th square number.

75325041 is the 4340-th centered octagonal number.

It is an amenable number.

75325041 is a deficient number, since it is larger than the sum of its proper divisors (44724616).

75325041 is a wasteful number, since it uses less digits than its factorization.

75325041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The cubic root of 75325041 is about 422.3246773244.

Adding to 75325041 its reverse (14052357), we get a palindrome (89377398).

The spelling of 75325041 in words is "seventy-five million, three hundred twenty-five thousand, forty-one".

Divisors: 1 3 9 11 33 99 121 263 363 789 1089 2367 2893 8679 26037 31823 69169 95469 207507 286407 622521 760859 2282577 6847731 8369449 25108347 75325041