Search a number
-
+
8742712 = 231199349
BaseRepresentation
bin100001010110…
…011100111000
3121110011202011
4201112130320
54214231322
6511215304
7134211646
oct41263470
917404664
108742712
114a31590
122b17534
131a71504
141238196
15b7a677
hex856738

8742712 has 16 divisors (see below), whose sum is σ = 17883000. Its totient is φ = 3973920.

The previous prime is 8742689. The next prime is 8742739. The reversal of 8742712 is 2172478.

It is a super-2 number, since 2×87427122 = 152870026229888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49587 + ... + 49762.

Almost surely, 28742712 is an apocalyptic number.

It is an amenable number.

8742712 is an abundant number, since it is smaller than the sum of its proper divisors (9140288).

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

8742712 is a wasteful number, since it uses less digits than its factorization.

8742712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99366 (or 99362 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 8742712 is about 2956.8077380851. The cubic root of 8742712 is about 206.0070378090.

The spelling of 8742712 in words is "eight million, seven hundred forty-two thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 99349 198698 397396 794792 1092839 2185678 4371356 8742712