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345467389 = 1672068667
BaseRepresentation
bin10100100101110…
…110100111111101
3220002001120011111
4110211312213331
51201414424024
654140322021
711363265361
oct2445664775
9802046144
10345467389
11168009843
1297843311
135675a097
1433c4b2a1
15204e0a94
hex149769fd

345467389 has 4 divisors (see below), whose sum is σ = 347536224. Its totient is φ = 343398556.

The previous prime is 345467351. The next prime is 345467449. The reversal of 345467389 is 983764543.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345467389 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 (345467989) 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, 1034167 + ... + 1034500.

It is an arithmetic number, because the mean of its divisors is an integer number (86884056).

Almost surely, 2345467389 is an apocalyptic number.

It is an amenable number.

345467389 is a deficient number, since it is larger than the sum of its proper divisors (2068835).

345467389 is a wasteful number, since it uses less digits than its factorization.

345467389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068834.

The product of its digits is 2177280, while the sum is 49.

The square root of 345467389 is about 18586.7530515687. The cubic root of 345467389 is about 701.6744871427.

The spelling of 345467389 in words is "three hundred forty-five million, four hundred sixty-seven thousand, three hundred eighty-nine".

Divisors: 1 167 2068667 345467389