Search a number
-
+
30673400 = 23521031489
BaseRepresentation
bin111010100000…
…0100111111000
32010201100222212
41311000213320
530323022100
63013234252
7521501552
oct165004770
963640885
1030673400
111635041a
12a332988
13647c654
1441064d2
152a5d635
hex1d409f8

30673400 has 48 divisors (see below), whose sum is σ = 72056400. Its totient is φ = 12142080.

The previous prime is 30673399. The next prime is 30673417. The reversal of 30673400 is 437603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19856 + ... + 21344.

It is an arithmetic number, because the mean of its divisors is an integer number (1501175).

Almost surely, 230673400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30673400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36028200).

30673400 is an abundant number, since it is smaller than the sum of its proper divisors (41383000).

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

30673400 is a wasteful number, since it uses less digits than its factorization.

30673400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1599 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30673400 is about 5538.3571571360. The cubic root of 30673400 is about 313.0309693181.

The spelling of 30673400 in words is "thirty million, six hundred seventy-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 200 206 412 515 824 1030 1489 2060 2575 2978 4120 5150 5956 7445 10300 11912 14890 20600 29780 37225 59560 74450 148900 153367 297800 306734 613468 766835 1226936 1533670 3067340 3834175 6134680 7668350 15336700 30673400