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30434426 = 2111817643
BaseRepresentation
bin111010000011…
…0010001111010
32010021020011222
41310012101322
530242400201
63004152042
7516455051
oct164062172
963236158
1030434426
11161a7920
12a238622
1363c7949
144083398
152a1291b
hex1d0647a

30434426 has 16 divisors (see below), whose sum is σ = 50083488. Its totient is φ = 13755600.

The previous prime is 30434399. The next prime is 30434441. The reversal of 30434426 is 62443403.

It is a junction number, because it is equal to n+sod(n) for n = 30434395 and 30434404.

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, 161 + ... + 7803.

It is an arithmetic number, because the mean of its divisors is an integer number (3130218).

Almost surely, 230434426 is an apocalyptic number.

30434426 is a deficient number, since it is larger than the sum of its proper divisors (19649062).

30434426 is a wasteful number, since it uses less digits than its factorization.

30434426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 30434426 is about 5516.7405231713. The cubic root of 30434426 is about 312.2159159062.

Adding to 30434426 its reverse (62443403), we get a palindrome (92877829).

The spelling of 30434426 in words is "thirty million, four hundred thirty-four thousand, four hundred twenty-six".

Divisors: 1 2 11 22 181 362 1991 3982 7643 15286 84073 168146 1383383 2766766 15217213 30434426