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253484352 = 26321123637
BaseRepresentation
bin11110001101111…
…01110101000000
3122122222100011100
433012331311000
51004342444402
641053014400
76165403302
oct1706756500
9578870140
10253484352
111200a3600
1270a84400
1340692654
1425945972
15173c171c
hexf1bdd40

253484352 has 126 divisors (see below), whose sum is σ = 798842954. Its totient is φ = 76792320.

The previous prime is 253484351. The next prime is 253484359.

253484352 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 147476736 + 106007616 = 12144^2 + 10296^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253484351) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67878 + ... + 71514.

Almost surely, 2253484352 is an apocalyptic number.

253484352 is a gapful number since it is divisible by the number (22) 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 253484352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399421477).

253484352 is an abundant number, since it is smaller than the sum of its proper divisors (545358602).

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

253484352 is a wasteful number, since it uses less digits than its factorization.

253484352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677 (or 3653 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 253484352 is about 15921.1919151802. The cubic root of 253484352 is about 632.8737048035.

The spelling of 253484352 in words is "two hundred fifty-three million, four hundred eighty-four thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 121 132 144 176 192 198 242 264 288 352 363 396 484 528 576 704 726 792 968 1056 1089 1452 1584 1936 2112 2178 2904 3168 3637 3872 4356 5808 6336 7274 7744 8712 10911 11616 14548 17424 21822 23232 29096 32733 34848 40007 43644 58192 65466 69696 80014 87288 116384 120021 130932 160028 174576 232768 240042 261864 320056 349152 360063 440077 480084 523728 640112 698304 720126 880154 960168 1047456 1280224 1320231 1440252 1760308 1920336 2094912 2560448 2640462 2880504 3520616 3840672 3960693 5280924 5761008 7041232 7681344 7921386 10561848 11522016 14082464 15842772 21123696 23044032 28164928 31685544 42247392 63371088 84494784 126742176 253484352