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34680643 = 191825297
BaseRepresentation
bin1000010001001…
…0111101000011
32102020221220021
42010102331003
532334240033
63235154311
7600531514
oct204227503
972227807
1034680643
1118638098
12b745997
1372535ba
14486aa0b
1530a0b2d
hex2112f43

34680643 has 4 divisors (see below), whose sum is σ = 36505960. Its totient is φ = 32855328.

The previous prime is 34680641. The next prime is 34680647. The reversal of 34680643 is 34608643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34680643 - 21 = 34680641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34680599 and 34680608.

It is not an unprimeable number, because it can be changed into a prime (34680641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 912630 + ... + 912667.

It is an arithmetic number, because the mean of its divisors is an integer number (9126490).

Almost surely, 234680643 is an apocalyptic number.

34680643 is a deficient number, since it is larger than the sum of its proper divisors (1825317).

34680643 is a wasteful number, since it uses less digits than its factorization.

34680643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825316.

The product of its (nonzero) digits is 41472, while the sum is 34.

The square root of 34680643 is about 5889.0273390434. The cubic root of 34680643 is about 326.1086963621.

The spelling of 34680643 in words is "thirty-four million, six hundred eighty thousand, six hundred forty-three".

Divisors: 1 19 1825297 34680643