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30220296 = 2331259179
BaseRepresentation
bin111001101001…
…0000000001000
32002212100110020
41303102000020
530214022141
62555420440
7514603551
oct163220010
962770406
1030220296
1116070a57
12a154720
136351342
144029328
1529be266
hex1cd2008

30220296 has 16 divisors (see below), whose sum is σ = 75550800. Its totient is φ = 10073424.

The previous prime is 30220277. The next prime is 30220327. The reversal of 30220296 is 69202203.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1259179 = 30220296 / (3 + 0 + 2 + 2 + 0 + 2 + 9 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629566 + ... + 629613.

It is an arithmetic number, because the mean of its divisors is an integer number (4721925).

Almost surely, 230220296 is an apocalyptic number.

It is an amenable number.

30220296 is an abundant number, since it is smaller than the sum of its proper divisors (45330504).

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

30220296 is a wasteful number, since it uses less digits than its factorization.

30220296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259188 (or 1259184 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30220296 is about 5497.2989731322. The cubic root of 30220296 is about 311.4819641443.

Adding to 30220296 its reverse (69202203), we get a palindrome (99422499).

The spelling of 30220296 in words is "thirty million, two hundred twenty thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 24 1259179 2518358 3777537 5036716 7555074 10073432 15110148 30220296