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1020030212 = 221373535273
BaseRepresentation
bin111100110011000…
…110110100000100
32122002100220101202
4330303012310010
54042111431322
6245114442032
734164054005
oct7463066404
92562326352
101020030212
11483864883
12245733318
13133431296
14996831ac
155e83b292
hex3ccc6d04

1020030212 has 24 divisors (see below), whose sum is σ = 1803518136. Its totient is φ = 504762368.

The previous prime is 1020030211. The next prime is 1020030223. The reversal of 1020030212 is 2120300201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 144817156 + 875213056 = 12034^2 + 29584^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1020030193 and 1020030202.

It is not an unprimeable number, because it can be changed into a prime (1020030211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190808 + ... + 196080.

It is an arithmetic number, because the mean of its divisors is an integer number (75146589).

Almost surely, 21020030212 is an apocalyptic number.

It is an amenable number.

1020030212 is a deficient number, since it is larger than the sum of its proper divisors (783487924).

1020030212 is a wasteful number, since it uses less digits than its factorization.

1020030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767 (or 5765 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020030212 is about 31937.9118290473. The cubic root of 1020030212 is about 1006.6326480520.

Adding to 1020030212 its reverse (2120300201), we get a palindrome (3140330413).

The spelling of 1020030212 in words is "one billion, twenty million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 137 274 353 548 706 1412 5273 10546 21092 48361 96722 193444 722401 1444802 1861369 2889604 3722738 7445476 255007553 510015106 1020030212