Search a number
-
+
250253501 = 232974877
BaseRepresentation
bin11101110101010…
…01000010111101
3122102220012021012
432322221002331
51003031103001
640455445005
76126056021
oct1672510275
9572805235
10250253501
11119297183
126b986765
133cb00bc4
1425344381
1516e842bb
hexeea90bd

250253501 has 12 divisors (see below), whose sum is σ = 264358332. Its totient is φ = 236856576.

The previous prime is 250253489. The next prime is 250253513. The reversal of 250253501 is 105352052.

It is an interprime number because it is at equal distance from previous prime (250253489) and next prime (250253513).

It can be written as a sum of positive squares in 2 ways, for example, as 90231001 + 160022500 = 9499^2 + 12650^2 .

It is not a de Polignac number, because 250253501 - 222 = 246059197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250253551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48875 + ... + 53751.

It is an arithmetic number, because the mean of its divisors is an integer number (22029861).

Almost surely, 2250253501 is an apocalyptic number.

It is an amenable number.

250253501 is a deficient number, since it is larger than the sum of its proper divisors (14104831).

250253501 is an equidigital number, since it uses as much as digits as its factorization.

250253501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 250253501 is about 15819.4026751961. The cubic root of 250253501 is about 630.1733805156.

The spelling of 250253501 in words is "two hundred fifty million, two hundred fifty-three thousand, five hundred one".

Divisors: 1 23 97 529 2231 4877 51313 112171 473069 2579933 10880587 250253501