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30223236 = 2232818963
BaseRepresentation
bin111001101001…
…0101110000100
32002212111111010
41303102232010
530214120421
62555442220
7514615251
oct163225604
962774433
1030223236
111607318a
12a156370
136352794
14402a428
1529c0076
hex1cd2b84

30223236 has 24 divisors (see below), whose sum is σ = 70779744. Its totient is φ = 10037440.

The previous prime is 30223211. The next prime is 30223261. The reversal of 30223236 is 63232203.

It is an interprime number because it is at equal distance from previous prime (30223211) and next prime (30223261).

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, 1110 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (2949156).

Almost surely, 230223236 is an apocalyptic number.

It is an amenable number.

30223236 is an abundant number, since it is smaller than the sum of its proper divisors (40556508).

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

30223236 is a wasteful number, since it uses less digits than its factorization.

30223236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9251 (or 9249 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 30223236 is about 5497.5663706771. The cubic root of 30223236 is about 311.4920647213.

Adding to 30223236 its reverse (63232203), we get a palindrome (93455439).

The spelling of 30223236 in words is "thirty million, two hundred twenty-three thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 281 562 843 1124 1686 3372 8963 17926 26889 35852 53778 107556 2518603 5037206 7555809 10074412 15111618 30223236