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3430397 = 12727011
BaseRepresentation
bin1101000101011111111101
320110021121202
431011133331
51334233042
6201305245
741105105
oct15053775
96407552
103430397
111a33343
121195225
13931529
14654205
1547b632
hex3457fd

3430397 has 4 divisors (see below), whose sum is σ = 3457536. Its totient is φ = 3403260.

The previous prime is 3430391. The next prime is 3430403. The reversal of 3430397 is 7930343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7930343 = 41193423.

It is an interprime number because it is at equal distance from previous prime (3430391) and next prime (3430403).

It is a cyclic number.

It is not a de Polignac number, because 3430397 - 210 = 3429373 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3430391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13379 + ... + 13632.

It is an arithmetic number, because the mean of its divisors is an integer number (864384).

Almost surely, 23430397 is an apocalyptic number.

It is an amenable number.

3430397 is a deficient number, since it is larger than the sum of its proper divisors (27139).

3430397 is a wasteful number, since it uses less digits than its factorization.

3430397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27138.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 3430397 is about 1852.1330945696. The cubic root of 3430397 is about 150.8162465170.

The spelling of 3430397 in words is "three million, four hundred thirty thousand, three hundred ninety-seven".

Divisors: 1 127 27011 3430397