Search a number
-
+
253466760 = 23357926737
BaseRepresentation
bin11110001101110…
…01100010001000
3122122221110000210
433012321202020
51004341414020
641052401120
76165301101
oct1706714210
9578843023
10253466760
11120091368
1270a761a0
1340687641
142593d3a8
15173bb3e0
hexf1b9888

253466760 has 64 divisors (see below), whose sum is σ = 770054400. Its totient is φ = 66733056.

The previous prime is 253466743. The next prime is 253466771. The reversal of 253466760 is 67664352.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3889 + ... + 22848.

It is an arithmetic number, because the mean of its divisors is an integer number (12032100).

Almost surely, 2253466760 is an apocalyptic number.

253466760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253466760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385027200).

253466760 is an abundant number, since it is smaller than the sum of its proper divisors (516587640).

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

253466760 is a wasteful number, since it uses less digits than its factorization.

253466760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830 (or 26826 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The square root of 253466760 is about 15920.6394343946. The cubic root of 253466760 is about 632.8590638317.

The spelling of 253466760 in words is "two hundred fifty-three million, four hundred sixty-six thousand, seven hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 79 120 158 237 316 395 474 632 790 948 1185 1580 1896 2370 3160 4740 9480 26737 53474 80211 106948 133685 160422 213896 267370 320844 401055 534740 641688 802110 1069480 1604220 2112223 3208440 4224446 6336669 8448892 10561115 12673338 16897784 21122230 25346676 31683345 42244460 50693352 63366690 84488920 126733380 253466760