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30852711 = 331142693
BaseRepresentation
bin111010110110…
…0011001100111
32011001110222000
41311230121213
530344241321
63021140343
7523146411
oct165543147
964043860
1030852711
111646310a
12a3ba6b3
136513156
1441519b1
152a96826
hex1d6c667

30852711 has 8 divisors (see below), whose sum is σ = 45707760. Its totient is φ = 20568456.

The previous prime is 30852697. The next prime is 30852737. The reversal of 30852711 is 11725803.

30852711 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 30852711 - 27 = 30852583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1142693 = 30852711 / (3 + 0 + 8 + 5 + 2 + 7 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30852791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571320 + ... + 571373.

It is an arithmetic number, because the mean of its divisors is an integer number (5713470).

Almost surely, 230852711 is an apocalyptic number.

30852711 is a deficient number, since it is larger than the sum of its proper divisors (14855049).

30852711 is a wasteful number, since it uses less digits than its factorization.

30852711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142702 (or 1142696 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 30852711 is about 5554.5216715753. The cubic root of 30852711 is about 313.6397582035.

The spelling of 30852711 in words is "thirty million, eight hundred fifty-two thousand, seven hundred eleven".

Divisors: 1 3 9 27 1142693 3428079 10284237 30852711