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53225460 = 223251979197
BaseRepresentation
bin1100101100001…
…0011111110100
310201011010121100
43023002133310
5102111203320
65140450100
71214260161
oct313023764
9121133540
1053225460
1128054092
12159a9930
13b047572
1470d7068
154a15790
hex32c27f4

53225460 has 144 divisors (see below), whose sum is σ = 172972800. Its totient is φ = 13208832.

The previous prime is 53225449. The next prime is 53225461. The reversal of 53225460 is 6452235.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53225461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270082 + ... + 270278.

It is an arithmetic number, because the mean of its divisors is an integer number (1201200).

Almost surely, 253225460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53225460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86486400).

53225460 is an abundant number, since it is smaller than the sum of its proper divisors (119747340).

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

53225460 is a wasteful number, since it uses less digits than its factorization.

53225460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 53225460 is about 7295.5781128023. The cubic root of 53225460 is about 376.1604585251.

Adding to 53225460 its reverse (6452235), we get a palindrome (59677695).

The spelling of 53225460 in words is "fifty-three million, two hundred twenty-five thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 38 45 57 60 76 79 90 95 114 158 171 180 190 197 228 237 285 316 342 380 394 395 474 570 591 684 711 788 790 855 948 985 1140 1182 1185 1422 1501 1580 1710 1773 1970 2364 2370 2844 2955 3002 3420 3546 3555 3743 3940 4503 4740 5910 6004 7092 7110 7486 7505 8865 9006 11229 11820 13509 14220 14972 15010 15563 17730 18012 18715 22458 22515 27018 30020 31126 33687 35460 37430 44916 45030 46689 54036 56145 62252 67374 67545 74860 77815 90060 93378 112290 134748 135090 140067 155630 168435 186756 224580 233445 270180 280134 295697 311260 336870 466890 560268 591394 673740 700335 887091 933780 1182788 1400670 1478485 1774182 2661273 2801340 2956970 3548364 4435455 5322546 5913940 8870910 10645092 13306365 17741820 26612730 53225460