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30339734 = 215169867
BaseRepresentation
bin111001110111…
…1001010010110
32010002102021212
41303233022112
530231332414
63002141422
7515612015
oct163571226
963072255
1030339734
1116142767
12a1b1872
136393809
14405aa7c
1529e483e
hex1cef296

30339734 has 4 divisors (see below), whose sum is σ = 45509604. Its totient is φ = 15169866.

The previous prime is 30339733. The next prime is 30339761. The reversal of 30339734 is 43793303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43793303 = 61717923.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30339734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30339733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7584932 + ... + 7584935.

It is an arithmetic number, because the mean of its divisors is an integer number (11377401).

Almost surely, 230339734 is an apocalyptic number.

30339734 is a deficient number, since it is larger than the sum of its proper divisors (15169870).

30339734 is a wasteful number, since it uses less digits than its factorization.

30339734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169869.

The product of its (nonzero) digits is 20412, while the sum is 32.

The square root of 30339734 is about 5508.1515955899. The cubic root of 30339734 is about 311.8917756902.

The spelling of 30339734 in words is "thirty million, three hundred thirty-nine thousand, seven hundred thirty-four".

Divisors: 1 2 15169867 30339734