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1089372 = 223233947
BaseRepresentation
bin100001001111101011100
32001100100010
410021331130
5234324442
635203220
712155004
oct4117534
92040303
101089372
11684509
12446510
132c1acb
14205004
15167b9c
hex109f5c

1089372 has 24 divisors (see below), whose sum is σ = 2653056. Its totient is φ = 347248.

The previous prime is 1089359. The next prime is 1089383. The reversal of 1089372 is 2739801.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1698 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (110544).

21089372 is an apocalyptic number.

1089372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1089372 is an abundant number, since it is smaller than the sum of its proper divisors (1563684).

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

1089372 is a wasteful number, since it uses less digits than its factorization.

1089372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1089372 is about 1043.7298501049. The cubic root of 1089372 is about 102.8944782893.

The spelling of 1089372 in words is "one million, eighty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 3947 7894 11841 15788 23682 47364 90781 181562 272343 363124 544686 1089372