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345337990 = 2534533799
BaseRepresentation
bin10100100101010…
…111000010000110
3220001210222122221
4110211113002012
51201401303430
654133442554
711362216204
oct2445270206
9801728587
10345337990
11167a305a8
12977a045a
135671320a
1433c16074
15204b757a
hex14957086

345337990 has 8 divisors (see below), whose sum is σ = 621608400. Its totient is φ = 138135192.

The previous prime is 345337987. The next prime is 345337997. The reversal of 345337990 is 99733543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345337997) 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, 17266890 + ... + 17266909.

It is an arithmetic number, because the mean of its divisors is an integer number (77701050).

Almost surely, 2345337990 is an apocalyptic number.

345337990 is a deficient number, since it is larger than the sum of its proper divisors (276270410).

345337990 is a wasteful number, since it uses less digits than its factorization.

345337990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34533806.

The product of its (nonzero) digits is 306180, while the sum is 43.

The square root of 345337990 is about 18583.2717786723. The cubic root of 345337990 is about 701.5868693063.

The spelling of 345337990 in words is "three hundred forty-five million, three hundred thirty-seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 34533799 69067598 172668995 345337990