Search a number
-
+
30928676 = 227732169
BaseRepresentation
bin111010111111…
…0111100100100
32011012100011112
41311332330210
530404204201
63022524152
7523614032
oct165767444
964170145
1030928676
1116505199
12a436658
13653b8bc
144171552
152aae0bb
hex1d7ef24

30928676 has 6 divisors (see below), whose sum is σ = 54125190. Its totient is φ = 15464336.

The previous prime is 30928663. The next prime is 30928693. The reversal of 30928676 is 67682903.

It can be written as a sum of positive squares in only one way, i.e., 19571776 + 11356900 = 4424^2 + 3370^2 .

It is a super-2 number, since 2×309286762 = 1913165998225952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3866081 + ... + 3866088.

It is an arithmetic number, because the mean of its divisors is an integer number (9020865).

Almost surely, 230928676 is an apocalyptic number.

It is an amenable number.

30928676 is a deficient number, since it is larger than the sum of its proper divisors (23196514).

30928676 is a wasteful number, since it uses less digits than its factorization.

30928676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7732173 (or 7732171 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 30928676 is about 5561.3555901417. The cubic root of 30928676 is about 313.8969599837.

The spelling of 30928676 in words is "thirty million, nine hundred twenty-eight thousand, six hundred seventy-six".

Divisors: 1 2 4 7732169 15464338 30928676