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30673206 = 2321704067
BaseRepresentation
bin111010100000…
…0100100110110
32010201100201200
41311000210312
530323020311
63013233330
7521501154
oct165004466
963640650
1030673206
1116350263
12a332846
13647c535
1441063d4
152a5d556
hex1d40936

30673206 has 12 divisors (see below), whose sum is σ = 66458652. Its totient is φ = 10224396.

The previous prime is 30673199. The next prime is 30673211. The reversal of 30673206 is 60237603.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30673206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 852016 + ... + 852051.

It is an arithmetic number, because the mean of its divisors is an integer number (5538221).

Almost surely, 230673206 is an apocalyptic number.

30673206 is an abundant number, since it is smaller than the sum of its proper divisors (35785446).

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

30673206 is a wasteful number, since it uses less digits than its factorization.

30673206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704075 (or 1704072 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 30673206 is about 5538.3396428894. The cubic root of 30673206 is about 313.0303093746.

The spelling of 30673206 in words is "thirty million, six hundred seventy-three thousand, two hundred six".

Divisors: 1 2 3 6 9 18 1704067 3408134 5112201 10224402 15336603 30673206