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93040 = 2451163
BaseRepresentation
bin10110101101110000
311201121221
4112231300
510434130
61554424
7535153
oct265560
9151557
1093040
11639a2
1245a14
133346c
1425c9a
151c87a
hex16b70

93040 has 20 divisors (see below), whose sum is σ = 216504. Its totient is φ = 37184.

The previous prime is 93001. The next prime is 93047. The reversal of 93040 is 4039.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (93047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502 + ... + 661.

293040 is an apocalyptic number.

It is an amenable number.

93040 is an abundant number, since it is smaller than the sum of its proper divisors (123464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108252).

93040 is a wasteful number, since it uses less digits than its factorization.

93040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 93040 is about 305.0245891727. The cubic root of 93040 is about 45.3130435924.

Adding to 93040 its reverse (4039), we get a palindrome (97079).

The spelling of 93040 in words is "ninety-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1163 2326 4652 5815 9304 11630 18608 23260 46520 93040