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130838497 is a prime number
BaseRepresentation
bin1111100110001…
…10111111100001
3100010012021200021
413303012333201
5231443312442
620552153441
73146052226
oct763067741
9303167607
10130838497
1167944999
1237998881
132115033a
141353b94d
15b746e67
hex7cc6fe1

130838497 has 2 divisors, whose sum is σ = 130838498. Its totient is φ = 130838496.

The previous prime is 130838489. The next prime is 130838501. The reversal of 130838497 is 794838031.

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., 112869376 + 17969121 = 10624^2 + 4239^2 .

It is a cyclic number.

It is not a de Polignac number, because 130838497 - 23 = 130838489 is a prime.

It is not a weakly prime, because it can be changed into another prime (130838437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65419248 + 65419249.

It is an arithmetic number, because the mean of its divisors is an integer number (65419249).

Almost surely, 2130838497 is an apocalyptic number.

It is an amenable number.

130838497 is a deficient number, since it is larger than the sum of its proper divisors (1).

130838497 is an equidigital number, since it uses as much as digits as its factorization.

130838497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 130838497 is about 11438.4656750807. The cubic root of 130838497 is about 507.6665110795. Note that the first 3 decimals are identical.

The spelling of 130838497 in words is "one hundred thirty million, eight hundred thirty-eight thousand, four hundred ninety-seven".