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1683372 = 223140281
BaseRepresentation
bin110011010111110101100
310011112011010
412122332230
5412331442
6100025220
720210535
oct6327654
93145133
101683372
11a4a819
12692210
1346c2a2
1431b68c
15233b9c
hex19afac

1683372 has 12 divisors (see below), whose sum is σ = 3927896. Its totient is φ = 561120.

The previous prime is 1683359. The next prime is 1683373. The reversal of 1683372 is 2733861.

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is a d-powerful number, because it can be written as 1 + 68 + 83 + 34 + 36 + 74 + 25 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1683373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 70129 + ... + 70152.

21683372 is an apocalyptic number.

1683372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1683372 is an abundant number, since it is smaller than the sum of its proper divisors (2244524).

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

1683372 is a wasteful number, since it uses less digits than its factorization.

1683372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140288 (or 140286 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1683372 is about 1297.4482648645. The cubic root of 1683372 is about 118.9579212382.

The spelling of 1683372 in words is "one million, six hundred eighty-three thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 140281 280562 420843 561124 841686 1683372