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345489101 = 652152981
BaseRepresentation
bin10100100101111…
…011111011001101
3220002002122221122
4110211323323031
51201421122401
654141010325
711363415566
oct2445737315
9802078848
10345489101
11168024091
12978539a5
1356766c29
1433c5516d
15204e721b
hex1497becd

345489101 has 4 divisors (see below), whose sum is σ = 345548604. Its totient is φ = 345429600.

The previous prime is 345489097. The next prime is 345489119. The reversal of 345489101 is 101984543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101984543 = 372756339.

It can be written as a sum of positive squares in 2 ways, for example, as 334926601 + 10562500 = 18301^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 345489101 - 22 = 345489097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345489301) 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, 19970 + ... + 33011.

It is an arithmetic number, because the mean of its divisors is an integer number (86387151).

Almost surely, 2345489101 is an apocalyptic number.

It is an amenable number.

345489101 is a deficient number, since it is larger than the sum of its proper divisors (59503).

345489101 is an equidigital number, since it uses as much as digits as its factorization.

345489101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59502.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 345489101 is about 18587.3371142829. The cubic root of 345489101 is about 701.6891864919.

The spelling of 345489101 in words is "three hundred forty-five million, four hundred eighty-nine thousand, one hundred one".

Divisors: 1 6521 52981 345489101