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30064666 = 271211723
BaseRepresentation
bin111001010110…
…0000000011010
32002120102222011
41302230000122
530144032131
62552220134
7513355042
oct162540032
962512864
1030064666
1115a75035
12a09a64a
1362c8558
143dc8722
15298d0b1
hex1cac01a

30064666 has 8 divisors (see below), whose sum is σ = 45732384. Its totient is φ = 14820540.

The previous prime is 30064663. The next prime is 30064673. The reversal of 30064666 is 66646003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30064663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105720 + ... + 106003.

It is an arithmetic number, because the mean of its divisors is an integer number (5716548).

Almost surely, 230064666 is an apocalyptic number.

30064666 is a deficient number, since it is larger than the sum of its proper divisors (15667718).

30064666 is a wasteful number, since it uses less digits than its factorization.

30064666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211796.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 30064666 is about 5483.1255685056. The cubic root of 30064666 is about 310.9463484818.

The spelling of 30064666 in words is "thirty million, sixty-four thousand, six hundred sixty-six".

Divisors: 1 2 71 142 211723 423446 15032333 30064666