Search a number
-
+
24998947 is a prime number
BaseRepresentation
bin101111101011…
…1010000100011
31202001002002221
41133113100203
522344431242
62251451511
7422326141
oct137272043
952032087
1024998947
1113125096
128456b97
13524389c
14346a591
1522dc167
hex17d7423

24998947 has 2 divisors, whose sum is σ = 24998948. Its totient is φ = 24998946.

The previous prime is 24998917. The next prime is 24998983. The reversal of 24998947 is 74989942.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24998947 - 27 = 24998819 is a prime.

It is a super-2 number, since 2×249989472 = 1249894702217618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 24998894 and 24998903.

It is not a weakly prime, because it can be changed into another prime (24998917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12499473 + 12499474.

It is an arithmetic number, because the mean of its divisors is an integer number (12499474).

Almost surely, 224998947 is an apocalyptic number.

24998947 is a deficient number, since it is larger than the sum of its proper divisors (1).

24998947 is an equidigital number, since it uses as much as digits as its factorization.

24998947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 52.

The square root of 24998947 is about 4999.8946988912. The cubic root of 24998947 is about 292.3976684427.

The spelling of 24998947 in words is "twenty-four million, nine hundred ninety-eight thousand, nine hundred forty-seven".