Search a number
-
+
253569120 = 25357210781
BaseRepresentation
bin11110001110100…
…10100001100000
3122200010122102220
433013102201200
51004403202440
641054511040
76166205400
oct1707224140
9580118386
10253569120
11120151262
1270b05480
13406c20cc
1425968800
15173db8d0
hexf1d2860

253569120 has 144 divisors (see below), whose sum is σ = 929235888. Its totient is φ = 57953280.

The previous prime is 253569101. The next prime is 253569139. The reversal of 253569120 is 21965352.

It is an interprime number because it is at equal distance from previous prime (253569101) and next prime (253569139).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18130 + ... + 28910.

It is an arithmetic number, because the mean of its divisors is an integer number (6453027).

Almost surely, 2253569120 is an apocalyptic number.

253569120 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 253569120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464617944).

253569120 is an abundant number, since it is smaller than the sum of its proper divisors (675666768).

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

253569120 is a wasteful number, since it uses less digits than its factorization.

253569120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813 (or 10798 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 253569120 is about 15923.8538049054. The cubic root of 253569120 is about 632.9442436209.

The spelling of 253569120 in words is "two hundred fifty-three million, five hundred sixty-nine thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 392 420 480 490 560 588 672 735 784 840 980 1120 1176 1470 1568 1680 1960 2352 2940 3360 3920 4704 5880 7840 10781 11760 21562 23520 32343 43124 53905 64686 75467 86248 107810 129372 150934 161715 172496 215620 226401 258744 301868 323430 344992 377335 431240 452802 517488 528269 603736 646860 754670 862480 905604 1034976 1056538 1132005 1207472 1293720 1509340 1584807 1724960 1811208 2113076 2264010 2414944 2587440 2641345 3018680 3169614 3622416 4226152 4528020 5174880 5282690 6037360 6339228 7244832 7924035 8452304 9056040 10565380 12074720 12678456 15848070 16904608 18112080 21130760 25356912 31696140 36224160 42261520 50713824 63392280 84523040 126784560 253569120