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345045030 = 235111278233
BaseRepresentation
bin10100100100001…
…111100000100110
3220001021002210120
4110210033200212
51201312420110
654123302410
711356556121
oct2444174046
9801232716
10345045030
11167850490
129767aa06
135663ca75
1433b7b3b8
152045a870
hex1490f826

345045030 has 64 divisors (see below), whose sum is σ = 910614528. Its totient is φ = 82978560.

The previous prime is 345045013. The next prime is 345045037. The reversal of 345045030 is 30540543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345045037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37794 + ... + 46026.

It is an arithmetic number, because the mean of its divisors is an integer number (14228352).

Almost surely, 2345045030 is an apocalyptic number.

345045030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345045030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455307264).

345045030 is an abundant number, since it is smaller than the sum of its proper divisors (565569498).

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

345045030 is a wasteful number, since it uses less digits than its factorization.

345045030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 345045030 is about 18575.3877483082. The cubic root of 345045030 is about 701.3884211738.

Adding to 345045030 its reverse (30540543), we get a palindrome (375585573).

The spelling of 345045030 in words is "three hundred forty-five million, forty-five thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 127 165 254 330 381 635 762 1270 1397 1905 2794 3810 4191 6985 8233 8382 13970 16466 20955 24699 41165 41910 49398 82330 90563 123495 181126 246990 271689 452815 543378 905630 1045591 1358445 2091182 2716890 3136773 5227955 6273546 10455910 11501501 15683865 23003002 31367730 34504503 57507505 69009006 115015010 172522515 345045030