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132370981 is a prime number
BaseRepresentation
bin1111110001111…
…01001000100101
3100020002010211221
413320331020211
5232341332411
621045100341
73165064141
oct770751045
9306063757
10132370981
11687a1306
12383b76b1
1321568a32
141381a221
15b94b071
hex7e3d225

132370981 has 2 divisors, whose sum is σ = 132370982. Its totient is φ = 132370980.

The previous prime is 132370943. The next prime is 132370999. The reversal of 132370981 is 189073231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129276900 + 3094081 = 11370^2 + 1759^2 .

It is an emirp because it is prime and its reverse (189073231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-132370981 is a prime.

It is a super-2 number, since 2×1323709812 = 35044153221804722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132370921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66185490 + 66185491.

It is an arithmetic number, because the mean of its divisors is an integer number (66185491).

Almost surely, 2132370981 is an apocalyptic number.

It is an amenable number.

132370981 is a deficient number, since it is larger than the sum of its proper divisors (1).

132370981 is an equidigital number, since it uses as much as digits as its factorization.

132370981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 132370981 is about 11505.2588410692. The cubic root of 132370981 is about 509.6408864971.

The spelling of 132370981 in words is "one hundred thirty-two million, three hundred seventy thousand, nine hundred eighty-one".