Search a number
-
+
67030304 = 2511191997
BaseRepresentation
bin1111111110110…
…0110100100000
311200010111021212
43333230310200
5114124432204
610352405252
71442514425
oct377546440
9150114255
1067030304
1134922950
121a546828
1310b6bc03
148c8bd4c
155d40c6e
hex3fecd20

67030304 has 48 divisors (see below), whose sum is σ = 144861696. Its totient is φ = 30278400.

The previous prime is 67030291. The next prime is 67030331. The reversal of 67030304 is 40303076.

It is a self number, because there is not a number n which added to its sum of digits gives 67030304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66734 + ... + 67730.

It is an arithmetic number, because the mean of its divisors is an integer number (3017952).

Almost surely, 267030304 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 67030304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72430848).

67030304 is an abundant number, since it is smaller than the sum of its proper divisors (77831392).

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

67030304 is a wasteful number, since it uses less digits than its factorization.

67030304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1201 counting only the distinct ones).

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

The square root of 67030304 is about 8187.2036740269. The cubic root of 67030304 is about 406.2160352196.

The spelling of 67030304 in words is "sixty-seven million, thirty thousand, three hundred four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 191 352 382 764 997 1528 1994 2101 3056 3988 4202 6112 7976 8404 10967 15952 16808 21934 31904 33616 43868 67232 87736 175472 190427 350944 380854 761708 1523416 2094697 3046832 4189394 6093664 8378788 16757576 33515152 67030304