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34991230 = 2515123173
BaseRepresentation
bin1000010101111…
…0110001111110
32102211201221111
42011132301332
532424204410
63245552234
7603264151
oct205366176
972751844
1034991230
111882a47a
12b87567a
137331a91
14490bc98
153112b8a
hex215ec7e

34991230 has 16 divisors (see below), whose sum is σ = 63404064. Its totient is φ = 13903200.

The previous prime is 34991227. The next prime is 34991239. The reversal of 34991230 is 3219943.

It is a junction number, because it is equal to n+sod(n) for n = 34991192 and 34991201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34991239) 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, 10077 + ... + 13096.

It is an arithmetic number, because the mean of its divisors is an integer number (3962754).

Almost surely, 234991230 is an apocalyptic number.

34991230 is a deficient number, since it is larger than the sum of its proper divisors (28412834).

34991230 is a wasteful number, since it uses less digits than its factorization.

34991230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23331.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 34991230 is about 5915.3385363815. The cubic root of 34991230 is about 327.0793075446.

The spelling of 34991230 in words is "thirty-four million, nine hundred ninety-one thousand, two hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 23173 46346 115865 231730 3499123 6998246 17495615 34991230