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1042050220 = 22552102511
BaseRepresentation
bin111110000111000…
…110110010101100
32200121210122011121
4332013012302230
54113231101340
6251222430324
734552165201
oct7607066254
92617718147
101042050220
11495234832
12250b923a4
13137b70c83
149c575ca8
156173a94a
hex3e1c6cac

1042050220 has 12 divisors (see below), whose sum is σ = 2188305504. Its totient is φ = 416820080.

The previous prime is 1042050199. The next prime is 1042050221. The reversal of 1042050220 is 220502401.

It is a super-2 number, since 2×10420502202 = 2171737322004096800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042050194 and 1042050203.

It is not an unprimeable number, because it can be changed into a prime (1042050221) 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, 26051236 + ... + 26051275.

It is an arithmetic number, because the mean of its divisors is an integer number (182358792).

Almost surely, 21042050220 is an apocalyptic number.

1042050220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042050220 is an abundant number, since it is smaller than the sum of its proper divisors (1146255284).

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

1042050220 is a wasteful number, since it uses less digits than its factorization.

1042050220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52102520 (or 52102518 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 1042050220 is about 32280.8026542092. The cubic root of 1042050220 is about 1013.8247359332.

Adding to 1042050220 its reverse (220502401), we get a palindrome (1262552621).

The spelling of 1042050220 in words is "one billion, forty-two million, fifty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 52102511 104205022 208410044 260512555 521025110 1042050220