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1042030212 = 22386835851
BaseRepresentation
bin111110000111000…
…001111010000100
32200121202121201120
4332013001322010
54113224431322
6251222153540
734552052646
oct7607017204
92617677646
101042030212
114952207a3
12250b828b0
13137b64b32
149c56c896
1561734a5c
hex3e1c1e84

1042030212 has 12 divisors (see below), whose sum is σ = 2431403856. Its totient is φ = 347343400.

The previous prime is 1042030207. The next prime is 1042030219. The reversal of 1042030212 is 2120302401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1042030191 and 1042030200.

It is not an unprimeable number, because it can be changed into a prime (1042030219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43417914 + ... + 43417937.

It is an arithmetic number, because the mean of its divisors is an integer number (202616988).

Almost surely, 21042030212 is an apocalyptic number.

1042030212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1042030212 is an abundant number, since it is smaller than the sum of its proper divisors (1389373644).

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

1042030212 is a wasteful number, since it uses less digits than its factorization.

1042030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86835858 (or 86835856 counting only the distinct ones).

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

The square root of 1042030212 is about 32280.4927471685. The cubic root of 1042030212 is about 1013.8182472072.

Adding to 1042030212 its reverse (2120302401), we get a palindrome (3162332613).

The spelling of 1042030212 in words is "one billion, forty-two million, thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 86835851 173671702 260507553 347343404 521015106 1042030212