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9025020 = 22365619
BaseRepresentation
bin100010011011…
…010111111100
3121222112000000
4202123113330
54302300040
6521234300
7136466004
oct42332774
917875000
109025020
1151046a4
123032990
131b3cb64
1412ad004
15bd4130
hex89b5fc

9025020 has 84 divisors (see below), whose sum is σ = 28461720. Its totient is φ = 2402784.

The previous prime is 9025013. The next prime is 9025021. The reversal of 9025020 is 205209.

It is a super-3 number, since 3×90250203 (a number of 22 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 9024984 and 9025002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9025021) 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, 14271 + ... + 14889.

It is an arithmetic number, because the mean of its divisors is an integer number (338830).

Almost surely, 29025020 is an apocalyptic number.

9025020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9025020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14230860).

9025020 is an abundant number, since it is smaller than the sum of its proper divisors (19436700).

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

9025020 is a wasteful number, since it uses less digits than its factorization.

9025020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 9025020 is about 3004.1671058714. The cubic root of 9025020 is about 208.2009583957.

The spelling of 9025020 in words is "nine million, twenty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 243 270 324 405 486 540 619 729 810 972 1215 1238 1458 1620 1857 2430 2476 2916 3095 3645 3714 4860 5571 6190 7290 7428 9285 11142 12380 14580 16713 18570 22284 27855 33426 37140 50139 55710 66852 83565 100278 111420 150417 167130 200556 250695 300834 334260 451251 501390 601668 752085 902502 1002780 1504170 1805004 2256255 3008340 4512510 9025020