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30006012 = 22311032267
BaseRepresentation
bin111001001110…
…1101011111100
32002110110111210
41302131223330
530140143022
62551044420
7513022041
oct162355374
962413453
1030006012
1115a34a63
12a070710
1362a794a
143db11c8
15297aa0c
hex1c9dafc

30006012 has 24 divisors (see below), whose sum is σ = 70108416. Its totient is φ = 9988528.

The previous prime is 30005977. The next prime is 30006013. The reversal of 30006012 is 21060003.

It is a super-2 number, since 2×300060122 = 1800721512288288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30006013) 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, 12103 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 230006012 is an apocalyptic number.

It is an amenable number.

30006012 is an abundant number, since it is smaller than the sum of its proper divisors (40102404).

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

30006012 is a wasteful number, since it uses less digits than its factorization.

30006012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377 (or 3375 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30006012 is about 5477.7743655613. The cubic root of 30006012 is about 310.7440055222.

Adding to 30006012 its reverse (21060003), we get a palindrome (51066015).

The spelling of 30006012 in words is "thirty million, six thousand, twelve".

Divisors: 1 2 3 4 6 12 1103 2206 2267 3309 4412 4534 6618 6801 9068 13236 13602 27204 2500501 5001002 7501503 10002004 15003006 30006012