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1020023412 = 223233695737
BaseRepresentation
bin111100110011000…
…101001001110100
32122002100120001220
4330303011021310
54042111222122
6245114350340
734164025122
oct7463051164
92562316056
101020023412
1148385a761
1224572b3b0
1313342b165
1499680912
155e83925c
hex3ccc5274

1020023412 has 24 divisors (see below), whose sum is σ = 2483535936. Its totient is φ = 325224768.

The previous prime is 1020023401. The next prime is 1020023413. The reversal of 1020023412 is 2143200201.

1020023412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10200234122 = 2080895522056243488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020023391 and 1020023400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020023413) 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, 1847593 + ... + 1848144.

It is an arithmetic number, because the mean of its divisors is an integer number (103480664).

Almost surely, 21020023412 is an apocalyptic number.

1020023412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1020023412 is an abundant number, since it is smaller than the sum of its proper divisors (1463512524).

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

1020023412 is a wasteful number, since it uses less digits than its factorization.

1020023412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3695767 (or 3695765 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020023412 is about 31937.8053723170. The cubic root of 1020023412 is about 1006.6304111518.

Adding to 1020023412 its reverse (2143200201), we get a palindrome (3163223613).

The spelling of 1020023412 in words is "one billion, twenty million, twenty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 3695737 7391474 11087211 14782948 22174422 44348844 85001951 170003902 255005853 340007804 510011706 1020023412