Search a number
-
+
740052 = 223261337
BaseRepresentation
bin10110100101011010100
31101121011100
42310223110
5142140202
623510100
76201405
oct2645324
91347140
10740052
11466015
122b8330
131cbb01
141539ac
15e941c
hexb4ad4

740052 has 36 divisors (see below), whose sum is σ = 1906996. Its totient is φ = 241920.

The previous prime is 740041. The next prime is 740053. The reversal of 740052 is 250047.

It is a happy number.

740052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 646416 = 306^2 + 804^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740053) by changing a digit.

740052 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2028 + ... + 2364.

2740052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 740052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (953498).

740052 is an abundant number, since it is smaller than the sum of its proper divisors (1166944).

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

740052 is a wasteful number, since it uses less digits than its factorization.

740052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 740052 is about 860.2627505594. The cubic root of 740052 is about 90.4525355739.

740052 divided by its sum of digits (18) gives a palindrome (41114).

Adding to 740052 its reverse (250047), we get a palindrome (990099).

The spelling of 740052 in words is "seven hundred forty thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 337 366 549 674 732 1011 1098 1348 2022 2196 3033 4044 6066 12132 20557 41114 61671 82228 123342 185013 246684 370026 740052