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4972987 is a prime number
BaseRepresentation
bin10010111110000110111011
3100100122122201
4102332012323
52233113422
6254331031
760161335
oct22760673
910318581
104972987
112897308
1217b9a77
1310516c6
14936455
15683727
hex4be1bb

4972987 has 2 divisors, whose sum is σ = 4972988. Its totient is φ = 4972986.

The previous prime is 4972969. The next prime is 4972999. The reversal of 4972987 is 7892794.

4972987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4972987 - 215 = 4940219 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4976987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2486493 + 2486494.

It is an arithmetic number, because the mean of its divisors is an integer number (2486494).

Almost surely, 24972987 is an apocalyptic number.

4972987 is a deficient number, since it is larger than the sum of its proper divisors (1).

4972987 is an equidigital number, since it uses as much as digits as its factorization.

4972987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 4972987 is about 2230.0195066411. The cubic root of 4972987 is about 170.6890945630.

The spelling of 4972987 in words is "four million, nine hundred seventy-two thousand, nine hundred eighty-seven".