Search a number
-
+
253919232 = 21533741
BaseRepresentation
bin11110010001010…
…00000000000000
3122200210102201000
433020220000000
51010000403412
641110212000
76202164210
oct1710500000
9580712630
10253919232
11120370306
1271054000
13407b5588
1425a1a240
151745a4dc
hexf228000

253919232 has 256 divisors, whose sum is σ = 880790400. Its totient is φ = 70778880.

The previous prime is 253919227. The next prime is 253919243. The reversal of 253919232 is 232919352.

253919232 is a `hidden beast` number, since 2 + 539 + 1 + 92 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (256).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6193132 + ... + 6193172.

Almost surely, 2253919232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253919232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440395200).

253919232 is an abundant number, since it is smaller than the sum of its proper divisors (626871168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253919232 is an frugal number, since it uses more digits than its factorization.

253919232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 53 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 253919232 is about 15934.8433315173. The cubic root of 253919232 is about 633.2354192737.

The spelling of 253919232 in words is "two hundred fifty-three million, nine hundred nineteen thousand, two hundred thirty-two".