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1072818 = 23319867
BaseRepresentation
bin100000101111010110010
32000111122000
410011322302
5233312233
634554430
712055515
oct4057262
92014560
101072818
1167302a
12438a16
132b7406
141dcd7c
15162d13
hex105eb2

1072818 has 16 divisors (see below), whose sum is σ = 2384160. Its totient is φ = 357588.

The previous prime is 1072811. The next prime is 1072823. The reversal of 1072818 is 8182701.

It is a super-2 number, since 2×10728182 = 2301876922248, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1072791 and 1072800.

It is not an unprimeable number, because it can be changed into a prime (1072811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9880 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (149010).

21072818 is an apocalyptic number.

1072818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1072818 is an abundant number, since it is smaller than the sum of its proper divisors (1311342).

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

1072818 is a wasteful number, since it uses less digits than its factorization.

1072818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19878 (or 19872 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 1072818 is about 1035.7692793282. The cubic root of 1072818 is about 102.3706239995.

The spelling of 1072818 in words is "one million, seventy-two thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 27 54 19867 39734 59601 119202 178803 357606 536409 1072818