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30855714 = 2317302507
BaseRepresentation
bin111010110110…
…1001000100010
32011001122002020
41311231020202
530344340324
63021202310
7523161231
oct165551042
964048066
1030855714
111646539a
12a400396
136514626
144152b18
152a97679
hex1d6d222

30855714 has 16 divisors (see below), whose sum is σ = 65341728. Its totient is φ = 9680192.

The previous prime is 30855703. The next prime is 30855733. The reversal of 30855714 is 41755803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151152 + ... + 151355.

It is an arithmetic number, because the mean of its divisors is an integer number (4083858).

Almost surely, 230855714 is an apocalyptic number.

30855714 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30855714 is an abundant number, since it is smaller than the sum of its proper divisors (34486014).

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

30855714 is a wasteful number, since it uses less digits than its factorization.

30855714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302529.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 30855714 is about 5554.7919853042. The cubic root of 30855714 is about 313.6499337506.

The spelling of 30855714 in words is "thirty million, eight hundred fifty-five thousand, seven hundred fourteen".

Divisors: 1 2 3 6 17 34 51 102 302507 605014 907521 1815042 5142619 10285238 15427857 30855714