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88078429 is a prime number
BaseRepresentation
bin1010011111111…
…11100001011101
320010201211220001
411033333201131
5140022002204
612423454301
72116440265
oct517774135
9203654801
1088078429
114579969a
12255b7391
131532b41a
14b9aa7a5
157aec4a4
hex53ff85d

88078429 has 2 divisors, whose sum is σ = 88078430. Its totient is φ = 88078428.

The previous prime is 88078399. The next prime is 88078469. The reversal of 88078429 is 92487088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86452804 + 1625625 = 9298^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 88078429 - 27 = 88078301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (88078469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44039214 + 44039215.

It is an arithmetic number, because the mean of its divisors is an integer number (44039215).

Almost surely, 288078429 is an apocalyptic number.

It is an amenable number.

88078429 is a deficient number, since it is larger than the sum of its proper divisors (1).

88078429 is an equidigital number, since it uses as much as digits as its factorization.

88078429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 88078429 is about 9385.0108684007. The cubic root of 88078429 is about 444.9281186761.

The spelling of 88078429 in words is "eighty-eight million, seventy-eight thousand, four hundred twenty-nine".