Search a number
-
+
248078973 = 382692991
BaseRepresentation
bin11101100100101…
…10001001111101
3122021210201101010
432302112021331
51002002011343
640341105433
76101431212
oct1662261175
9567721333
10248078973
1111804144a
126b0b8279
133c51c1bc
1424d39b09
1516ba4d33
hexec9627d

248078973 has 4 divisors (see below), whose sum is σ = 330771968. Its totient is φ = 165385980.

The previous prime is 248078951. The next prime is 248079017. The reversal of 248078973 is 379870842.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 248078973 - 28 = 248078717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248078903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41346493 + ... + 41346498.

It is an arithmetic number, because the mean of its divisors is an integer number (82692992).

Almost surely, 2248078973 is an apocalyptic number.

It is an amenable number.

248078973 is a deficient number, since it is larger than the sum of its proper divisors (82692995).

248078973 is an equidigital number, since it uses as much as digits as its factorization.

248078973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82692994.

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 248078973 is about 15750.5229436994. The cubic root of 248078973 is about 628.3428127164.

The spelling of 248078973 in words is "two hundred forty-eight million, seventy-eight thousand, nine hundred seventy-three".

Divisors: 1 3 82692991 248078973