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30098356 = 2219396031
BaseRepresentation
bin111001011010…
…0001110110100
32002122011011221
41302310032310
530201121411
62553040124
7513555211
oct162641664
962564157
1030098356
1115a98382
12a0b6044
13630a9a2
143dd6b08
152998071
hex1cb43b4

30098356 has 12 divisors (see below), whose sum is σ = 55444480. Its totient is φ = 14257080.

The previous prime is 30098339. The next prime is 30098357. The reversal of 30098356 is 65389003.

It is a super-2 number, since 2×300983562 = 1811822067805472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30098357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197940 + ... + 198091.

Almost surely, 230098356 is an apocalyptic number.

It is an amenable number.

30098356 is a deficient number, since it is larger than the sum of its proper divisors (25346124).

30098356 is a wasteful number, since it uses less digits than its factorization.

30098356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396054 (or 396052 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 30098356 is about 5486.1968612145. The cubic root of 30098356 is about 311.0624523484.

The spelling of 30098356 in words is "thirty million, ninety-eight thousand, three hundred fifty-six".

Divisors: 1 2 4 19 38 76 396031 792062 1584124 7524589 15049178 30098356