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424408693 = 3189199773
BaseRepresentation
bin11001010010111…
…111011001110101
31002120121012021111
4121102333121311
51332122034233
6110040315021
713342262062
oct3122773165
91076535244
10424408693
111a8627595
12ba172a71
1369c09607
1440519c69
15273d5acd
hex194bf675

424408693 has 16 divisors (see below), whose sum is σ = 445824000. Its totient is φ = 403539840.

The previous prime is 424408679. The next prime is 424408703. The reversal of 424408693 is 396804424.

It is a cyclic number.

It is not a de Polignac number, because 424408693 - 217 = 424277621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424408993) 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, 548655 + ... + 549427.

It is an arithmetic number, because the mean of its divisors is an integer number (27864000).

Almost surely, 2424408693 is an apocalyptic number.

It is an amenable number.

424408693 is a deficient number, since it is larger than the sum of its proper divisors (21415307).

424408693 is a wasteful number, since it uses less digits than its factorization.

424408693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092.

The product of its (nonzero) digits is 165888, while the sum is 40.

The square root of 424408693 is about 20601.1818350307. The cubic root of 424408693 is about 751.4984518991.

The spelling of 424408693 in words is "four hundred twenty-four million, four hundred eight thousand, six hundred ninety-three".

Divisors: 1 31 89 199 773 2759 6169 17711 23963 68797 153827 549041 2132707 4768637 13690603 424408693