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12032019 = 321336891
BaseRepresentation
bin101101111001…
…100000010011
3211122021211100
4231321200103
511040011034
61105515443
7204161526
oct55714023
924567740
1012032019
11687891a
124042b83
13265374c
141852bbd
1510ca099
hexb79813

12032019 has 6 divisors (see below), whose sum is σ = 17379596. Its totient is φ = 8021340.

The previous prime is 12032011. The next prime is 12032057. The reversal of 12032019 is 91023021.

It is a happy number.

12032019 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12032019 - 23 = 12032011 is a prime.

It is a super-2 number, since 2×120320192 = 289538962432722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031992 and 12032010.

It is not an unprimeable number, because it can be changed into a prime (12032011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 668437 + ... + 668454.

Almost surely, 212032019 is an apocalyptic number.

12032019 is a deficient number, since it is larger than the sum of its proper divisors (5347577).

12032019 is a wasteful number, since it uses less digits than its factorization.

12032019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336897 (or 1336894 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12032019 is about 3468.7200809521. The cubic root of 12032019 is about 229.1462932558.

The spelling of 12032019 in words is "twelve million, thirty-two thousand, nineteen".

Divisors: 1 3 9 1336891 4010673 12032019