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65367225 = 325274112
BaseRepresentation
bin1111100101011…
…0110010111001
311112222222222100
43321112302321
5113213222400
610253014013
71422420000
oct371266271
9145888870
1065367225
1133997400
1219a84309
1310708c41
148977c37
155b13100
hex3e56cb9

65367225 has 135 divisors (see below), whose sum is σ = 150130799. Its totient is φ = 27165600.

The previous prime is 65367187. The next prime is 65367283. The reversal of 65367225 is 52276356.

It is a happy number.

The square root of 65367225 is 8085.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 23532201 + 41835024 = 4851^2 + 6468^2 .

It is not a de Polignac number, because 65367225 - 211 = 65365177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65367225.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 5942470 + ... + 5942480.

Almost surely, 265367225 is an apocalyptic number.

65367225 is the 8085-th square number.

65367225 is the 4043-rd centered octagonal number.

It is an amenable number.

65367225 is an abundant number, since it is smaller than the sum of its proper divisors (84763574).

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

65367225 is a wasteful number, since it uses less digits than its factorization.

65367225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 26 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The cubic root of 65367225 is about 402.8283395195.

Multiplying 65367225 by its sum of digits (36), we get a square (2353220100 = 485102).

The spelling of 65367225 in words is "sixty-five million, three hundred sixty-seven thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 11 15 21 25 33 35 45 49 55 63 75 77 99 105 121 147 165 175 225 231 245 275 315 343 363 385 441 495 525 539 605 693 735 825 847 1029 1089 1155 1225 1575 1617 1715 1815 1925 2205 2401 2475 2541 2695 3025 3087 3465 3675 3773 4235 4851 5145 5445 5775 5929 7203 7623 8085 8575 9075 11025 11319 12005 12705 13475 15435 17325 17787 18865 21175 21609 24255 25725 26411 27225 29645 33957 36015 38115 40425 41503 53361 56595 60025 63525 77175 79233 88935 94325 108045 121275 124509 132055 148225 169785 180075 190575 207515 237699 266805 282975 290521 373527 396165 444675 540225 622545 660275 848925 871563 1037575 1188495 1334025 1452605 1867635 1980825 2614689 3112725 4357815 5942475 7263025 9338175 13073445 21789075 65367225