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34784949 = 329487821
BaseRepresentation
bin1000010010110…
…0011010110101
32102110020222110
42010230122311
532401104244
63241321233
7601444563
oct204543265
972406873
1034784949
11186a94a1
12b796219
13728bc14
144896a33
1530c19b9
hex212c6b5

34784949 has 16 divisors (see below), whose sum is σ = 48136320. Its totient is φ = 22317120.

The previous prime is 34784929. The next prime is 34784957. The reversal of 34784949 is 94948743.

It is not a de Polignac number, because 34784949 - 25 = 34784917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34784898 and 34784907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34784929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41959 + ... + 42779.

It is an arithmetic number, because the mean of its divisors is an integer number (3008520).

Almost surely, 234784949 is an apocalyptic number.

It is an amenable number.

34784949 is a deficient number, since it is larger than the sum of its proper divisors (13351371).

34784949 is a wasteful number, since it uses less digits than its factorization.

34784949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340.

The product of its digits is 870912, while the sum is 48.

The square root of 34784949 is about 5897.8766518129. The cubic root of 34784949 is about 326.4353055422.

The spelling of 34784949 in words is "thirty-four million, seven hundred eighty-four thousand, nine hundred forty-nine".

Divisors: 1 3 29 87 487 821 1461 2463 14123 23809 42369 71427 399827 1199481 11594983 34784949