Search a number
-
+
9020725 = 527192713
BaseRepresentation
bin100010011010…
…010100110101
3121222022002221
4202122110311
54302130400
6521202341
7136450330
oct42322465
917868087
109020725
11510144a
1230303b1
131b3ac0c
1412ab617
15bd2c1a
hex89a535

9020725 has 24 divisors (see below), whose sum is σ = 13461440. Its totient is φ = 5857920.

The previous prime is 9020719. The next prime is 9020747. The reversal of 9020725 is 5270209.

It is not a de Polignac number, because 9020725 - 23 = 9020717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

9020725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9020725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969 + ... + 4681.

Almost surely, 29020725 is an apocalyptic number.

9020725 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9020725 is a deficient number, since it is larger than the sum of its proper divisors (4440715).

9020725 is a wasteful number, since it uses less digits than its factorization.

9020725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749 (or 2744 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 9020725 is about 3003.4521804084. The cubic root of 9020725 is about 208.1679255970.

The spelling of 9020725 in words is "nine million, twenty thousand, seven hundred twenty-five".

Divisors: 1 5 7 19 25 35 95 133 175 475 665 2713 3325 13565 18991 51547 67825 94955 257735 360829 474775 1288675 1804145 9020725