Search a number
-
+
253468550 = 25219367727
BaseRepresentation
bin11110001101110…
…01111110000110
3122122221112111002
433012321332012
51004341443200
641052413302
76165306236
oct1706717606
9578845432
10253468550
11120092745
1270a77232
13406883ba
142593dcc6
15173bbbd5
hexf1b9f86

253468550 has 48 divisors (see below), whose sum is σ = 498301440. Its totient is φ = 95657760.

The previous prime is 253468549. The next prime is 253468559. The reversal of 253468550 is 55864352.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253468559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 348287 + ... + 349013.

It is an arithmetic number, because the mean of its divisors is an integer number (10381280).

Almost surely, 2253468550 is an apocalyptic number.

253468550 is a deficient number, since it is larger than the sum of its proper divisors (244832890).

253468550 is a wasteful number, since it uses less digits than its factorization.

253468550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 253468550 is about 15920.6956506303. The cubic root of 253468550 is about 632.8605535932.

The spelling of 253468550 in words is "two hundred fifty-three million, four hundred sixty-eight thousand, five hundred fifty".

Divisors: 1 2 5 10 19 25 38 50 95 190 367 475 727 734 950 1454 1835 3635 3670 6973 7270 9175 13813 13946 18175 18350 27626 34865 36350 69065 69730 138130 174325 266809 345325 348650 533618 690650 1334045 2668090 5069371 6670225 10138742 13340450 25346855 50693710 126734275 253468550