Search a number
-
+
30464788 = 22232691231
BaseRepresentation
bin111010000110…
…1101100010100
32010022202211111
41310031230110
530244333123
63004544404
7516642424
oct164155424
963282744
1030464788
1116218712
12a252104
136408703
144090484
152a1b90d
hex1d0db14

30464788 has 24 divisors (see below), whose sum is σ = 55883520. Its totient is φ = 14504160.

The previous prime is 30464783. The next prime is 30464821. The reversal of 30464788 is 88746403.

It is a self number, because there is not a number n which added to its sum of digits gives 30464788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30464783) 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, 24133 + ... + 25363.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 230464788 is an apocalyptic number.

It is an amenable number.

30464788 is a deficient number, since it is larger than the sum of its proper divisors (25418732).

30464788 is a wasteful number, since it uses less digits than its factorization.

30464788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 30464788 is about 5519.4916432585. The cubic root of 30464788 is about 312.3197057074.

The spelling of 30464788 in words is "thirty million, four hundred sixty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 23 46 92 269 538 1076 1231 2462 4924 6187 12374 24748 28313 56626 113252 331139 662278 1324556 7616197 15232394 30464788