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34921047 = 374735381
BaseRepresentation
bin1000010100110…
…1101001010111
32102201011200010
42011031221113
532414433142
63244251303
7602552430
oct205155127
972634603
1034921047
1118791777
12b840b33
137308b55
1448d0487
1530ebe9c
hex214da57

34921047 has 16 divisors (see below), whose sum is σ = 54346752. Its totient is φ = 19529760.

The previous prime is 34921021. The next prime is 34921079. The reversal of 34921047 is 74012943.

It is a happy number.

34921047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34921047 - 26 = 34920983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34921087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16704 + ... + 18677.

It is an arithmetic number, because the mean of its divisors is an integer number (3396672).

Almost surely, 234921047 is an apocalyptic number.

34921047 is a deficient number, since it is larger than the sum of its proper divisors (19425705).

34921047 is a wasteful number, since it uses less digits than its factorization.

34921047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35438.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 34921047 is about 5909.4032693665. The cubic root of 34921047 is about 326.8604834600.

The spelling of 34921047 in words is "thirty-four million, nine hundred twenty-one thousand, forty-seven".

Divisors: 1 3 7 21 47 141 329 987 35381 106143 247667 743001 1662907 4988721 11640349 34921047