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42103357 is a prime number
BaseRepresentation
bin1010000010011…
…1001000111101
32221020001221121
42200213020331
541234301412
64102230541
71020605212
oct240471075
987201847
1042103357
112184796a
1212125451
13895203a
14583db09
153a6a107
hex282723d

42103357 has 2 divisors, whose sum is σ = 42103358. Its totient is φ = 42103356.

The previous prime is 42103337. The next prime is 42103361. The reversal of 42103357 is 75330124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34644996 + 7458361 = 5886^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 42103357 - 211 = 42101309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42103337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051678 + 21051679.

It is an arithmetic number, because the mean of its divisors is an integer number (21051679).

Almost surely, 242103357 is an apocalyptic number.

It is an amenable number.

42103357 is a deficient number, since it is larger than the sum of its proper divisors (1).

42103357 is an equidigital number, since it uses as much as digits as its factorization.

42103357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 42103357 is about 6488.7099642379. The cubic root of 42103357 is about 347.8875671711.

The spelling of 42103357 in words is "forty-two million, one hundred three thousand, three hundred fifty-seven".