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2227530730 = 253121931201
BaseRepresentation
bin1000010011000101…
…0110101111101010
312202020111021201011
42010301112233222
514030221440410
61005011414134
7106125461455
oct20461265752
95666437634
102227530730
11a43423897
12521bb434a
13296650729
14171ba649c
15d085918a
hex84c56bea

2227530730 has 48 divisors (see below), whose sum is σ = 4168002312. Its totient is φ = 857088000.

The previous prime is 2227530727. The next prime is 2227530817. The reversal of 2227530730 is 370357222.

2227530730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 709103641 + 1518427089 = 26629^2 + 38967^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 2227530692 and 2227530701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1854130 + ... + 1855330.

Almost surely, 22227530730 is an apocalyptic number.

2227530730 is a deficient number, since it is larger than the sum of its proper divisors (1940471582).

2227530730 is a wasteful number, since it uses less digits than its factorization.

2227530730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1432 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 2227530730 is about 47196.7237210381. The cubic root of 2227530730 is about 1305.9941593373.

Adding to 2227530730 its reverse (370357222), we get a palindrome (2597887952).

The spelling of 2227530730 in words is "two billion, two hundred twenty-seven million, five hundred thirty thousand, seven hundred thirty".

Divisors: 1 2 5 10 31 62 155 193 310 386 961 965 1201 1922 1930 2402 4805 5983 6005 9610 11966 12010 29915 37231 59830 74462 185473 186155 231793 370946 372310 463586 927365 1154161 1158965 1854730 2308322 2317930 5770805 7185583 11541610 14371166 35927915 71855830 222753073 445506146 1113765365 2227530730