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1679412 = 223719993
BaseRepresentation
bin110011010000000110100
310011022201110
412122000310
5412220122
655555020
720163150
oct6320064
93138643
101679412
11a47849
1268ba70
1346a547
1431a060
1523290c
hex19a034

1679412 has 24 divisors (see below), whose sum is σ = 4478656. Its totient is φ = 479808.

The previous prime is 1679383. The next prime is 1679417. The reversal of 1679412 is 2149761.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1679412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679417) 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, 9913 + ... + 10080.

21679412 is an apocalyptic number.

1679412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1679412 is an abundant number, since it is smaller than the sum of its proper divisors (2799244).

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

1679412 is a wasteful number, since it uses less digits than its factorization.

1679412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20007 (or 20005 counting only the distinct ones).

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

The square root of 1679412 is about 1295.9212939064. The cubic root of 1679412 is about 118.8645682857.

The spelling of 1679412 in words is "one million, six hundred seventy-nine thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 19993 39986 59979 79972 119958 139951 239916 279902 419853 559804 839706 1679412