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34430430 = 2352933917
BaseRepresentation
bin1000001101010…
…1110111011110
32101210020200010
42003111313132
532303233210
63225544050
7565440156
oct203256736
971706603
1034430430
1118487101
12b645026
137196748
144803766
153051920
hex20d5dde

34430430 has 32 divisors (see below), whose sum is σ = 82936224. Its totient is φ = 9147776.

The previous prime is 34430419. The next prime is 34430449. The reversal of 34430430 is 3403443.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34430397 and 34430406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6832 + ... + 10748.

It is an arithmetic number, because the mean of its divisors is an integer number (2591757).

Almost surely, 234430430 is an apocalyptic number.

34430430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34430430 is an abundant number, since it is smaller than the sum of its proper divisors (48505794).

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

34430430 is a wasteful number, since it uses less digits than its factorization.

34430430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 34430430 is about 5867.7448819798. The cubic root of 34430430 is about 325.3225358196.

Adding to 34430430 its reverse (3403443), we get a palindrome (37833873).

The spelling of 34430430 in words is "thirty-four million, four hundred thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 293 586 879 1465 1758 2930 3917 4395 7834 8790 11751 19585 23502 39170 58755 117510 1147681 2295362 3443043 5738405 6886086 11476810 17215215 34430430