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34808920 = 235870223
BaseRepresentation
bin1000010011001…
…0010001011000
32102111110212021
42010302101120
532402341140
63242024224
7601604506
oct204622130
972443767
1034808920
1118715503
12b7a8074
137299ac3
1448a1676
1530c8b4a
hex2132458

34808920 has 16 divisors (see below), whose sum is σ = 78320160. Its totient is φ = 13923552.

The previous prime is 34808909. The next prime is 34808923. The reversal of 34808920 is 2980843.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34808923) 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, 435072 + ... + 435151.

It is an arithmetic number, because the mean of its divisors is an integer number (4895010).

Almost surely, 234808920 is an apocalyptic number.

It is an amenable number.

34808920 is an abundant number, since it is smaller than the sum of its proper divisors (43511240).

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

34808920 is a wasteful number, since it uses less digits than its factorization.

34808920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870234 (or 870230 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 34808920 is about 5899.9084738664. The cubic root of 34808920 is about 326.5102726776.

The spelling of 34808920 in words is "thirty-four million, eight hundred eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 870223 1740446 3480892 4351115 6961784 8702230 17404460 34808920