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34451420 = 2252959399
BaseRepresentation
bin1000001101101…
…0111111011100
32101211022110112
42003122333130
532304421140
63230225152
7565555313
oct203327734
971738415
1034451420
11184a0953
12b6551b8
1371a3173
14480b27a
153057c65
hex20dafdc

34451420 has 24 divisors (see below), whose sum is σ = 74844000. Its totient is φ = 13305152.

The previous prime is 34451419. The next prime is 34451453. The reversal of 34451420 is 2415443.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29120 + ... + 30279.

It is an arithmetic number, because the mean of its divisors is an integer number (3118500).

Almost surely, 234451420 is an apocalyptic number.

It is an amenable number.

34451420 is an abundant number, since it is smaller than the sum of its proper divisors (40392580).

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

34451420 is a wasteful number, since it uses less digits than its factorization.

34451420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59437 (or 59435 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 34451420 is about 5869.5332012009. The cubic root of 34451420 is about 325.3886317398.

Adding to 34451420 its reverse (2415443), we get a palindrome (36866863).

The spelling of 34451420 in words is "thirty-four million, four hundred fifty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 59399 118798 237596 296995 593990 1187980 1722571 3445142 6890284 8612855 17225710 34451420