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1914808 = 237311103
BaseRepresentation
bin111010011011110111000
310121021121211
413103132320
5442233213
6105012504
722163350
oct7233670
93537554
101914808
111098695
12784134
1352072c
1437bb60
1527c53d
hex1d37b8

1914808 has 32 divisors (see below), whose sum is σ = 4239360. Its totient is φ = 793440.

The previous prime is 1914791. The next prime is 1914811. The reversal of 1914808 is 8084191.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 1914808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185 + ... + 2287.

It is an arithmetic number, because the mean of its divisors is an integer number (132480).

21914808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1914808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119680).

1914808 is an abundant number, since it is smaller than the sum of its proper divisors (2324552).

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

1914808 is a wasteful number, since it uses less digits than its factorization.

1914808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 1914808 is about 1383.7658761510. The cubic root of 1914808 is about 124.1771661066.

Adding to 1914808 its reverse (8084191), we get a palindrome (9998999).

The spelling of 1914808 in words is "one million, nine hundred fourteen thousand, eight hundred eight".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 217 248 434 868 1103 1736 2206 4412 7721 8824 15442 30884 34193 61768 68386 136772 239351 273544 478702 957404 1914808