Search a number
-
+
253180632 = 23326340111
BaseRepresentation
bin11110001011100…
…11101011011000
3122122101220112110
433011303223120
51004303240012
641042312320
76162666645
oct1705635330
9578356473
10253180632
1111aa063a1
12709586a0
13405b7333
14258a6dcc
151736173c
hexf173ad8

253180632 has 32 divisors (see below), whose sum is σ = 635374080. Its totient is φ = 84070560.

The previous prime is 253180601. The next prime is 253180633. The reversal of 253180632 is 236081352.

It is a self number, because there is not a number n which added to its sum of digits gives 253180632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253180633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13744 + ... + 26367.

It is an arithmetic number, because the mean of its divisors is an integer number (19855440).

Almost surely, 2253180632 is an apocalyptic number.

It is an amenable number.

253180632 is an abundant number, since it is smaller than the sum of its proper divisors (382193448).

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

253180632 is a wasteful number, since it uses less digits than its factorization.

253180632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40383 (or 40379 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 253180632 is about 15911.6508257314. The cubic root of 253180632 is about 632.6208381456.

The spelling of 253180632 in words is "two hundred fifty-three million, one hundred eighty thousand, six hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 263 526 789 1052 1578 2104 3156 6312 40111 80222 120333 160444 240666 320888 481332 962664 10549193 21098386 31647579 42196772 63295158 84393544 126590316 253180632