Search a number
-
+
30664744 = 2311348463
BaseRepresentation
bin111010011111…
…0100000101000
32010200221010021
41310332200220
530322232434
63013130224
7521434405
oct164764050
963627107
1030664744
1116344970
12a329974
136478726
1441032ac
152a5acb4
hex1d3e828

30664744 has 16 divisors (see below), whose sum is σ = 62723520. Its totient is φ = 13938480.

The previous prime is 30664741. The next prime is 30664747. The reversal of 30664744 is 44746603.

It is an interprime number because it is at equal distance from previous prime (30664741) and next prime (30664747).

It is not an unprimeable number, because it can be changed into a prime (30664741) 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, 174144 + ... + 174319.

It is an arithmetic number, because the mean of its divisors is an integer number (3920220).

Almost surely, 230664744 is an apocalyptic number.

It is an amenable number.

30664744 is an abundant number, since it is smaller than the sum of its proper divisors (32058776).

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

30664744 is a wasteful number, since it uses less digits than its factorization.

30664744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348480 (or 348476 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 30664744 is about 5537.5756428242. The cubic root of 30664744 is about 313.0015208819.

The spelling of 30664744 in words is "thirty million, six hundred sixty-four thousand, seven hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 348463 696926 1393852 2787704 3833093 7666186 15332372 30664744