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75013528 = 2313768443
BaseRepresentation
bin1000111100010…
…01110110011000
312020011002012211
410132021312120
5123200413103
611235444504
71600414222
oct436116630
9166132184
1075013528
1139385857
1221156734
1312705805
149d69412
1568bb36d
hex4789d98

75013528 has 16 divisors (see below), whose sum is σ = 141679080. Its totient is φ = 37232448.

The previous prime is 75013513. The next prime is 75013529. The reversal of 75013528 is 82531057.

It is a self number, because there is not a number n which added to its sum of digits gives 75013528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75013529) 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 3 ways as a sum of consecutive naturals, for example, 33126 + ... + 35317.

Almost surely, 275013528 is an apocalyptic number.

It is an amenable number.

75013528 is a deficient number, since it is larger than the sum of its proper divisors (66665552).

75013528 is a wasteful number, since it uses less digits than its factorization.

75013528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68586 (or 68582 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 75013528 is about 8661.0350420721. The cubic root of 75013528 is about 421.7416865868.

The spelling of 75013528 in words is "seventy-five million, thirteen thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 137 274 548 1096 68443 136886 273772 547544 9376691 18753382 37506764 75013528