Search a number
-
+
745038 = 236773
BaseRepresentation
bin10110101111001001110
31101212000000
42311321032
5142320123
623545130
76222060
oct2657116
91355000
10745038
11469838
122bb1a6
13201168
14155730
15eab43
hexb5e4e

745038 has 56 divisors (see below), whose sum is σ = 1941168. Its totient is φ = 209952.

The previous prime is 745037. The next prime is 745051. The reversal of 745038 is 830547.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745033) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10170 + ... + 10242.

2745038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (970584).

745038 is an abundant number, since it is smaller than the sum of its proper divisors (1196130).

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

745038 is an equidigital number, since it uses as much as digits as its factorization.

745038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 745038 is about 863.1558376099. The cubic root of 745038 is about 90.6552183017.

The spelling of 745038 in words is "seven hundred forty-five thousand, thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 73 81 126 146 162 189 219 243 378 438 486 511 567 657 729 1022 1134 1314 1458 1533 1701 1971 3066 3402 3942 4599 5103 5913 9198 10206 11826 13797 17739 27594 35478 41391 53217 82782 106434 124173 248346 372519 745038