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3430434 = 23781677
BaseRepresentation
bin1101000101100000100010
320110021200010
431011200202
51334233214
6201305350
741105160
oct15054042
96407603
103430434
111a33377
121195256
13931557
14654230
1547b659
hex345822

3430434 has 16 divisors (see below), whose sum is σ = 7841088. Its totient is φ = 980112.

The previous prime is 3430433. The next prime is 3430451. The reversal of 3430434 is 4340343.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 3430434.

It is not an unprimeable number, because it can be changed into a prime (3430433) 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, 40797 + ... + 40880.

It is an arithmetic number, because the mean of its divisors is an integer number (490068).

Almost surely, 23430434 is an apocalyptic number.

3430434 is an abundant number, since it is smaller than the sum of its proper divisors (4410654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3430434 is a wasteful number, since it uses less digits than its factorization.

3430434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81689.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3430434 is about 1852.1430830257. The cubic root of 3430434 is about 150.8167887459.

Adding to 3430434 its reverse (4340343), we get a palindrome (7770777).

Subtracting 3430434 from its reverse (4340343), we obtain a palindrome (909909).

The spelling of 3430434 in words is "three million, four hundred thirty thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 81677 163354 245031 490062 571739 1143478 1715217 3430434