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30056298 = 2331283571
BaseRepresentation
bin111001010100…
…1111101101010
32002120000111020
41302221331222
530143300143
62552113310
7513321456
oct162517552
962500436
1030056298
1115a69818
12a095836
1362c47bc
143dc5666
15298a883
hex1ca9f6a

30056298 has 32 divisors (see below), whose sum is σ = 62380032. Its totient is φ = 9644400.

The previous prime is 30056297. The next prime is 30056303. The reversal of 30056298 is 89265003.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30056291) 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, 52353 + ... + 52923.

It is an arithmetic number, because the mean of its divisors is an integer number (1949376).

Almost surely, 230056298 is an apocalyptic number.

30056298 is an abundant number, since it is smaller than the sum of its proper divisors (32323734).

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

30056298 is a wasteful number, since it uses less digits than its factorization.

30056298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 30056298 is about 5482.3624469748. The cubic root of 30056298 is about 310.9174968892.

The spelling of 30056298 in words is "thirty million, fifty-six thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 31 62 93 186 283 566 571 849 1142 1698 1713 3426 8773 17546 17701 26319 35402 52638 53103 106206 161593 323186 484779 969558 5009383 10018766 15028149 30056298