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1042224457 = 17217920147
BaseRepresentation
bin111110000111110…
…001010101001001
32200122010111011211
4332013301111021
54113302140312
6251230253121
734553522161
oct7607612511
92618114154
101042224457
1149534372a
122510571a1
13137c02381
149c5bd5a1
15617723a7
hex3e1f1549

1042224457 has 12 divisors (see below), whose sum is σ = 1113378480. Its totient is φ = 975388736.

The previous prime is 1042224451. The next prime is 1042224481. The reversal of 1042224457 is 7544222401.

It is a de Polignac number, because none of the positive numbers 2k-1042224457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042224451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41658 + ... + 61804.

It is an arithmetic number, because the mean of its divisors is an integer number (92781540).

Almost surely, 21042224457 is an apocalyptic number.

1042224457 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1042224457 is a deficient number, since it is larger than the sum of its proper divisors (71154023).

1042224457 is a wasteful number, since it uses less digits than its factorization.

1042224457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360 (or 20343 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 1042224457 is about 32283.5013125900. The cubic root of 1042224457 is about 1013.8812386278.

Adding to 1042224457 its reverse (7544222401), we get a palindrome (8586446858).

The spelling of 1042224457 in words is "one billion, forty-two million, two hundred twenty-four thousand, four hundred fifty-seven".

Divisors: 1 17 179 289 3043 20147 51731 342499 3606313 5822483 61307321 1042224457