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252410340 = 223571346229
BaseRepresentation
bin11110000101101…
…11100111100100
3122120221202220010
433002313213210
51004104112330
641014010220
76153311130
oct1702674744
9576852803
10252410340
1111a52a696
1270646970
13403a7840
14257463c0
151725d3b0
hexf0b79e4

252410340 has 96 divisors (see below), whose sum is σ = 869863680. Its totient is φ = 53254656.

The previous prime is 252410311. The next prime is 252410359. The reversal of 252410340 is 43014252.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17655 + ... + 28574.

It is an arithmetic number, because the mean of its divisors is an integer number (9061080).

Almost surely, 2252410340 is an apocalyptic number.

252410340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252410340 is an abundant number, since it is smaller than the sum of its proper divisors (617453340).

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

252410340 is a wasteful number, since it uses less digits than its factorization.

252410340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46261 (or 46259 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 252410340 is about 15887.4271044748. The cubic root of 252410340 is about 631.9786118116.

Adding to 252410340 its reverse (43014252), we get a palindrome (295424592).

The spelling of 252410340 in words is "two hundred fifty-two million, four hundred ten thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 46229 92458 138687 184916 231145 277374 323603 462290 554748 600977 647206 693435 924580 970809 1201954 1294412 1386870 1618015 1802931 1941618 2403908 2773740 3004885 3236030 3605862 3883236 4206839 4854045 6009770 6472060 7211724 8413678 9014655 9708090 12019540 12620517 16827356 18029310 19416180 21034195 25241034 36058620 42068390 50482068 63102585 84136780 126205170 252410340