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147939101 is a prime number
BaseRepresentation
bin10001101000101…
…01111100011101
3101022101002021222
420310111330131
5300333022401
622402503125
73444314222
oct1064257435
9338332258
10147939101
1176564922
1241664aa5
1324859b3b
141590d949
15cec3c1b
hex8d15f1d

147939101 has 2 divisors, whose sum is σ = 147939102. Its totient is φ = 147939100.

The previous prime is 147939067. The next prime is 147939107. The reversal of 147939101 is 101939741.

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., 92659876 + 55279225 = 9626^2 + 7435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-147939101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (147939107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73969550 + 73969551.

It is an arithmetic number, because the mean of its divisors is an integer number (73969551).

Almost surely, 2147939101 is an apocalyptic number.

It is an amenable number.

147939101 is a deficient number, since it is larger than the sum of its proper divisors (1).

147939101 is an equidigital number, since it uses as much as digits as its factorization.

147939101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 147939101 is about 12163.0218695849. The cubic root of 147939101 is about 528.8846855876.

The spelling of 147939101 in words is "one hundred forty-seven million, nine hundred thirty-nine thousand, one hundred one".