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8970139 is a prime number
BaseRepresentation
bin100010001101…
…111110011011
3121212201201101
4202031332123
54244021024
6520132231
7136150003
oct42157633
917781641
108970139
115077442
123007077
131b20b99
141297003
15bc2c44
hex88df9b

8970139 has 2 divisors, whose sum is σ = 8970140. Its totient is φ = 8970138.

The previous prime is 8970133. The next prime is 8970163. The reversal of 8970139 is 9310798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8970139 - 27 = 8970011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8970098 and 8970107.

It is not a weakly prime, because it can be changed into another prime (8970133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4485069 + 4485070.

It is an arithmetic number, because the mean of its divisors is an integer number (4485070).

Almost surely, 28970139 is an apocalyptic number.

8970139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8970139 is an equidigital number, since it uses as much as digits as its factorization.

8970139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 8970139 is about 2995.0190316591. The cubic root of 8970139 is about 207.7780778421.

The spelling of 8970139 in words is "eight million, nine hundred seventy thousand, one hundred thirty-nine".