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34305630 = 2355572053
BaseRepresentation
bin1000001011011…
…1011001011110
32101112220110220
42002313121132
532240240010
63223142210
7564410262
oct202673136
971486426
1034305630
1118401367
12b5a4966
1371519b8
1447b00a2
153029970
hex20b765e

34305630 has 32 divisors (see below), whose sum is σ = 82521504. Its totient is φ = 9127296.

The previous prime is 34305613. The next prime is 34305631. The reversal of 34305630 is 3650343.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 34305630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34305631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15684 + ... + 17736.

It is an arithmetic number, because the mean of its divisors is an integer number (2578797).

Almost surely, 234305630 is an apocalyptic number.

34305630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34305630 is an abundant number, since it is smaller than the sum of its proper divisors (48215874).

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

34305630 is a wasteful number, since it uses less digits than its factorization.

34305630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 34305630 is about 5857.1008186645. The cubic root of 34305630 is about 324.9289943498.

Adding to 34305630 its reverse (3650343), we get a palindrome (37955973).

The spelling of 34305630 in words is "thirty-four million, three hundred five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 557 1114 1671 2053 2785 3342 4106 5570 6159 8355 10265 12318 16710 20530 30795 61590 1143521 2287042 3430563 5717605 6861126 11435210 17152815 34305630