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75041385 = 3513138189
BaseRepresentation
bin1000111100100…
…00101001101001
312020012111102120
410132100221221
5123202311020
611240221453
71600561356
oct436205151
9166174376
1075041385
11393a4781
122116a889
13127153b3
149d7562d
1568c4740
hex4790a69

75041385 has 16 divisors (see below), whose sum is σ = 120985920. Its totient is φ = 39715520.

The previous prime is 75041353. The next prime is 75041399. The reversal of 75041385 is 58314057.

It is not a de Polignac number, because 75041385 - 25 = 75041353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17130 + ... + 21059.

It is an arithmetic number, because the mean of its divisors is an integer number (7561620).

Almost surely, 275041385 is an apocalyptic number.

It is an amenable number.

75041385 is a deficient number, since it is larger than the sum of its proper divisors (45944535).

75041385 is a wasteful number, since it uses less digits than its factorization.

75041385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38328.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 75041385 is about 8662.6430724116. The cubic root of 75041385 is about 421.7938860787.

The spelling of 75041385 in words is "seventy-five million, forty-one thousand, three hundred eighty-five".

Divisors: 1 3 5 15 131 393 655 1965 38189 114567 190945 572835 5002759 15008277 25013795 75041385