Search a number
-
+
93503431 = 713357633
BaseRepresentation
bin1011001001010…
…11111111000111
320111221110121001
411210223333013
5142414102211
613140034131
72213523520
oct544537707
9214843531
1093503431
114886456a
1227392947
13164aa798
14c5bd847
15831eac1
hex592bfc7

93503431 has 4 divisors (see below), whose sum is σ = 106861072. Its totient is φ = 80145792.

The previous prime is 93503419. The next prime is 93503447. The reversal of 93503431 is 13430539.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 93503431 - 217 = 93372359 is a prime.

It is a super-2 number, since 2×935034312 = 17485783217543522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 93503431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93500431) 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 3 ways as a sum of consecutive naturals, for example, 6678810 + ... + 6678823.

It is an arithmetic number, because the mean of its divisors is an integer number (26715268).

Almost surely, 293503431 is an apocalyptic number.

93503431 is a deficient number, since it is larger than the sum of its proper divisors (13357641).

93503431 is a wasteful number, since it uses less digits than its factorization.

93503431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357640.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 93503431 is about 9669.7172140658. The cubic root of 93503431 is about 453.8815357819.

The spelling of 93503431 in words is "ninety-three million, five hundred three thousand, four hundred thirty-one".

Divisors: 1 7 13357633 93503431