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148220029 is a prime number
BaseRepresentation
bin10001101010110…
…10100001111101
3101022220100122201
420311122201331
5300421020104
622412511501
73446564236
oct1065324175
9338810581
10148220029
11767369a1
124177b591
1324927979
141598408d
15d02c0a4
hex8d5a87d

148220029 has 2 divisors, whose sum is σ = 148220030. Its totient is φ = 148220028.

The previous prime is 148219979. The next prime is 148220041. The reversal of 148220029 is 920022841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147622500 + 597529 = 12150^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 148220029 - 27 = 148219901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 148219979 and 148220006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (148220099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74110014 + 74110015.

It is an arithmetic number, because the mean of its divisors is an integer number (74110015).

Almost surely, 2148220029 is an apocalyptic number.

It is an amenable number.

148220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

148220029 is an equidigital number, since it uses as much as digits as its factorization.

148220029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 148220029 is about 12174.5648382191. The cubic root of 148220029 is about 529.2192479574.

The spelling of 148220029 in words is "one hundred forty-eight million, two hundred twenty thousand, twenty-nine".