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424078890 = 23529487447
BaseRepresentation
bin11001010001101…
…110111000101010
31002112222102212120
4121101232320222
51332031011030
6110025252110
713336416414
oct3121567052
91075872776
10424078890
111a8421824
12ba034036
1369b22471
14404719b4
152736d010
hex1946ee2a

424078890 has 32 divisors (see below), whose sum is σ = 1052887680. Its totient is φ = 109187904.

The previous prime is 424078871. The next prime is 424078931. The reversal of 424078890 is 98870424.

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, 242854 + ... + 244593.

It is an arithmetic number, because the mean of its divisors is an integer number (32902740).

Almost surely, 2424078890 is an apocalyptic number.

424078890 is an abundant number, since it is smaller than the sum of its proper divisors (628808790).

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

424078890 is a wasteful number, since it uses less digits than its factorization.

424078890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487486.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 424078890 is about 20593.1758114187. The cubic root of 424078890 is about 751.3037412540.

The spelling of 424078890 in words is "four hundred twenty-four million, seventy-eight thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 10 15 29 30 58 87 145 174 290 435 870 487447 974894 1462341 2437235 2924682 4874470 7311705 14135963 14623410 28271926 42407889 70679815 84815778 141359630 212039445 424078890