Search a number
-
+
345018708 = 223219748649
BaseRepresentation
bin10100100100001…
…001000101010100
3220001012202200200
4110210021011110
51201311044313
654122540500
711356416306
oct2444110524
9801182620
10345018708
11167832731
1297667730
1356630aa8
1433b71976
1520452b73
hex14909154

345018708 has 36 divisors (see below), whose sum is σ = 876575700. Its totient is φ = 114420096.

The previous prime is 345018703. The next prime is 345018769. The reversal of 345018708 is 807810543.

It can be written as a sum of positive squares in 2 ways, for example, as 263802564 + 81216144 = 16242^2 + 9012^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345018703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17233 + ... + 31416.

It is an arithmetic number, because the mean of its divisors is an integer number (24349325).

Almost surely, 2345018708 is an apocalyptic number.

It is an amenable number.

345018708 is an abundant number, since it is smaller than the sum of its proper divisors (531556992).

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

345018708 is a wasteful number, since it uses less digits than its factorization.

345018708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48856 (or 48851 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 345018708 is about 18574.6792166110. The cubic root of 345018708 is about 701.3705854191.

The spelling of 345018708 in words is "three hundred forty-five million, eighteen thousand, seven hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 197 394 591 788 1182 1773 2364 3546 7092 48649 97298 145947 194596 291894 437841 583788 875682 1751364 9583853 19167706 28751559 38335412 57503118 86254677 115006236 172509354 345018708