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75428413 = 1633591289
BaseRepresentation
bin1000111111011…
…11001000111101
312020221011022221
410133233020331
5123302202123
611252405341
71604062624
oct437571075
9166834287
1075428413
1139639535
1221316851
131281c5c8
14a0366bb
15694e25d
hex47ef23d

75428413 has 8 divisors (see below), whose sum is σ = 76161600. Its totient is φ = 74698848.

The previous prime is 75428387. The next prime is 75428429. The reversal of 75428413 is 31482457.

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 75428413 - 213 = 75420221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75428713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57873 + ... + 59161.

It is an arithmetic number, because the mean of its divisors is an integer number (9520200).

Almost surely, 275428413 is an apocalyptic number.

It is an amenable number.

75428413 is a deficient number, since it is larger than the sum of its proper divisors (733187).

75428413 is a wasteful number, since it uses less digits than its factorization.

75428413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1811.

The product of its digits is 26880, while the sum is 34.

The square root of 75428413 is about 8684.9532526088. The cubic root of 75428413 is about 422.5177808420.

The spelling of 75428413 in words is "seventy-five million, four hundred twenty-eight thousand, four hundred thirteen".

Divisors: 1 163 359 1289 58517 210107 462751 75428413