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142580401 is a prime number
BaseRepresentation
bin10000111111110…
…01101010110001
3100221021211112121
420133321222301
5243000033101
622051554241
73350625205
oct1037715261
9327254477
10142580401
1173534847
123b8bb981
1323701a02
1414d16b05
15c7b60a1
hex87f9ab1

142580401 has 2 divisors, whose sum is σ = 142580402. Its totient is φ = 142580400.

The previous prime is 142580371. The next prime is 142580407. The reversal of 142580401 is 104085241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138086001 + 4494400 = 11751^2 + 2120^2 .

It is a cyclic number.

It is not a de Polignac number, because 142580401 - 29 = 142579889 is a prime.

It is not a weakly prime, because it can be changed into another prime (142580407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71290200 + 71290201.

It is an arithmetic number, because the mean of its divisors is an integer number (71290201).

Almost surely, 2142580401 is an apocalyptic number.

It is an amenable number.

142580401 is a deficient number, since it is larger than the sum of its proper divisors (1).

142580401 is an equidigital number, since it uses as much as digits as its factorization.

142580401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 142580401 is about 11940.7035387367. The cubic root of 142580401 is about 522.4201793469.

The spelling of 142580401 in words is "one hundred forty-two million, five hundred eighty thousand, four hundred one".