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142348417 is a prime number
BaseRepresentation
bin10000111110000…
…01000010000001
3100220212001022121
420133001002001
5242420122132
622043004241
73345640651
oct1037010201
9326761277
10142348417
1173396522
123b809681
1323650243
1414c96361
15c76c497
hex87c1081

142348417 has 2 divisors, whose sum is σ = 142348418. Its totient is φ = 142348416.

The previous prime is 142348391. The next prime is 142348439. The reversal of 142348417 is 714843241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133610481 + 8737936 = 11559^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 142348417 - 223 = 133959809 is a prime.

It is equal to p8037286 and since 142348417 and 8037286 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142348117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71174208 + 71174209.

It is an arithmetic number, because the mean of its divisors is an integer number (71174209).

Almost surely, 2142348417 is an apocalyptic number.

It is an amenable number.

142348417 is a deficient number, since it is larger than the sum of its proper divisors (1).

142348417 is an equidigital number, since it uses as much as digits as its factorization.

142348417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 34.

The square root of 142348417 is about 11930.9855837647. The cubic root of 142348417 is about 522.1366927194.

The spelling of 142348417 in words is "one hundred forty-two million, three hundred forty-eight thousand, four hundred seventeen".