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30248222 = 267225733
BaseRepresentation
bin111001101100…
…0110100011110
32002220202202112
41303120310132
530220420342
63000154022
7515051144
oct163306436
962822675
1030248222
111608aa34
12a168912
136360c74
144035594
1529c7682
hex1cd8d1e

30248222 has 8 divisors (see below), whose sum is σ = 46049736. Its totient is φ = 14898312.

The previous prime is 30248167. The next prime is 30248227. The reversal of 30248222 is 22284203.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×302482222 = 1829909868322568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30248227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112733 + ... + 113000.

It is an arithmetic number, because the mean of its divisors is an integer number (5756217).

Almost surely, 230248222 is an apocalyptic number.

30248222 is a deficient number, since it is larger than the sum of its proper divisors (15801514).

30248222 is a wasteful number, since it uses less digits than its factorization.

30248222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225802.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 30248222 is about 5499.8383612612. The cubic root of 30248222 is about 311.5778794562.

The spelling of 30248222 in words is "thirty million, two hundred forty-eight thousand, two hundred twenty-two".

Divisors: 1 2 67 134 225733 451466 15124111 30248222