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120000033 = 3231742061
BaseRepresentation
bin1110010011100…
…00111000100001
322100210122002200
413021300320201
5221210000113
615524003413
72654661216
oct711607041
9270718080
10120000033
116181188a
1234230569
131bb26c4a
1411d19b0d
15a805873
hex7270e21

120000033 has 12 divisors (see below), whose sum is σ = 173884308. Its totient is φ = 79745760.

The previous prime is 120000031. The next prime is 120000043. The reversal of 120000033 is 330000021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70761744 + 49238289 = 8412^2 + 7017^2 .

It is not a de Polignac number, because 120000033 - 21 = 120000031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (120000031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18178 + ... + 23883.

It is an arithmetic number, because the mean of its divisors is an integer number (14490359).

Almost surely, 2120000033 is an apocalyptic number.

It is an amenable number.

120000033 is a deficient number, since it is larger than the sum of its proper divisors (53884275).

120000033 is a wasteful number, since it uses less digits than its factorization.

120000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42384 (or 42381 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 120000033 is about 10954.4526563403. The cubic root of 120000033 is about 493.2424600800.

Adding to 120000033 its reverse (330000021), we get a palindrome (450000054).

The spelling of 120000033 in words is "one hundred twenty million, thirty-three", and thus it is an aban number.

Divisors: 1 3 9 317 951 2853 42061 126183 378549 13333337 40000011 120000033