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30038046 = 2323217667
BaseRepresentation
bin111001010010…
…1100000011110
32002112002110020
41302211200132
530142204141
62551453010
7513214323
oct162454036
962462406
1030038046
1115a57035
12a087166
1362b93bc
143dbcb4a
152985266
hex1ca581e

30038046 has 16 divisors (see below), whose sum is σ = 62688384. Its totient is φ = 9577304.

The previous prime is 30038033. The next prime is 30038077. The reversal of 30038046 is 64083003.

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, 108696 + ... + 108971.

It is an arithmetic number, because the mean of its divisors is an integer number (3918024).

Almost surely, 230038046 is an apocalyptic number.

30038046 is an abundant number, since it is smaller than the sum of its proper divisors (32650338).

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

30038046 is a wasteful number, since it uses less digits than its factorization.

30038046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217695.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30038046 is about 5480.6975833374. The cubic root of 30038046 is about 310.8545481826.

The spelling of 30038046 in words is "thirty million, thirty-eight thousand, forty-six".

Divisors: 1 2 3 6 23 46 69 138 217667 435334 653001 1306002 5006341 10012682 15019023 30038046