Search a number
-
+
253738102 = 2126869051
BaseRepresentation
bin11110001111110…
…11110001110110
3122200110020020111
433013323301312
51004424104402
641102253234
76200511142
oct1707736166
9580406214
10253738102
11120257212
1270b8721a
1340750cb7
14259b0222
15174219d7
hexf1fbc76

253738102 has 4 divisors (see below), whose sum is σ = 380607156. Its totient is φ = 126869050.

The previous prime is 253738063. The next prime is 253738109. The reversal of 253738102 is 201837352.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253738109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63434524 + ... + 63434527.

It is an arithmetic number, because the mean of its divisors is an integer number (95151789).

Almost surely, 2253738102 is an apocalyptic number.

253738102 is a deficient number, since it is larger than the sum of its proper divisors (126869054).

253738102 is a wasteful number, since it uses less digits than its factorization.

253738102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126869053.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 253738102 is about 15929.1588604044. The cubic root of 253738102 is about 633.0848133584.

The spelling of 253738102 in words is "two hundred fifty-three million, seven hundred thirty-eight thousand, one hundred two".

Divisors: 1 2 126869051 253738102