Search a number
-
+
30968716 = 227742179
BaseRepresentation
bin111011000100…
…0101110001100
32011021101002111
41312020232030
530411444331
63023433404
7524141542
oct166105614
964241074
1030968716
1116532289
12a455864
136553bac
144181d92
152abadb1
hex1d88b8c

30968716 has 6 divisors (see below), whose sum is σ = 54195260. Its totient is φ = 15484356.

The previous prime is 30968683. The next prime is 30968737. The reversal of 30968716 is 61786903.

It is a super-2 number, since 2×309687162 = 1918122741377312, 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, 3871086 + ... + 3871093.

Almost surely, 230968716 is an apocalyptic number.

It is an amenable number.

30968716 is a deficient number, since it is larger than the sum of its proper divisors (23226544).

30968716 is a wasteful number, since it uses less digits than its factorization.

30968716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7742183 (or 7742181 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 30968716 is about 5564.9542675569. The cubic root of 30968716 is about 314.0323576808.

It can be divided in two parts, 30968 and 716, that added together give a square (31684 = 1782).

The spelling of 30968716 in words is "thirty million, nine hundred sixty-eight thousand, seven hundred sixteen".

Divisors: 1 2 4 7742179 15484358 30968716