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12794220 = 22335192943
BaseRepresentation
bin110000110011…
…100101101100
3220002000101000
4300303211230
511233403340
61134120300
7213514635
oct60634554
926060330
1012794220
11724953a
124350090
13285c65a
1419b088c
1511cad30
hexc3396c

12794220 has 192 divisors, whose sum is σ = 44352000. Its totient is φ = 3048192.

The previous prime is 12794213. The next prime is 12794261. The reversal of 12794220 is 2249721.

12794220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 297519 + ... + 297561.

It is an arithmetic number, because the mean of its divisors is an integer number (231000).

Almost surely, 212794220 is an apocalyptic number.

12794220 is a gapful number since it is divisible by the number (10) 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 12794220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22176000).

12794220 is an abundant number, since it is smaller than the sum of its proper divisors (31557780).

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

12794220 is a wasteful number, since it uses less digits than its factorization.

12794220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12794220 is about 3576.9008932315. The cubic root of 12794220 is about 233.8862037089.

The spelling of 12794220 in words is "twelve million, seven hundred ninety-four thousand, two hundred twenty".