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455142530 = 2517192943113
BaseRepresentation
bin11011001000001…
…110110010000010
31011201102122011202
4123020032302002
51413004030110
6113055141202
714164435103
oct3310166202
91151378152
10455142530
11213a09357
12108514802
13733aa60b
144463a3aa
1529e570a5
hex1b20ec82

455142530 has 128 divisors (see below), whose sum is σ = 975110400. Its totient is φ = 151732224.

The previous prime is 455142509. The next prime is 455142551. The reversal of 455142530 is 35241554.

It is an interprime number because it is at equal distance from previous prime (455142509) and next prime (455142551).

It is a super-2 number, since 2×4551425302 = 414309445229601800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 455142493 and 455142502.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4027754 + ... + 4027866.

It is an arithmetic number, because the mean of its divisors is an integer number (7618050).

Almost surely, 2455142530 is an apocalyptic number.

455142530 is an abundant number, since it is smaller than the sum of its proper divisors (519967870).

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

455142530 is a wasteful number, since it uses less digits than its factorization.

455142530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 455142530 is about 21334.0697008330. The cubic root of 455142530 is about 769.2174711573.

The spelling of 455142530 in words is "four hundred fifty-five million, one hundred forty-two thousand, five hundred thirty".

Divisors: 1 2 5 10 17 19 29 34 38 43 58 85 86 95 113 145 170 190 215 226 290 323 430 493 551 565 646 731 817 986 1102 1130 1247 1462 1615 1634 1921 2147 2465 2494 2755 3230 3277 3655 3842 4085 4294 4859 4930 5510 6235 6554 7310 8170 9367 9605 9718 10735 12470 13889 16385 18734 19210 21199 21470 23693 24295 27778 32770 36499 42398 46835 47386 48590 55709 62263 69445 72998 82603 92321 93670 105995 111418 118465 124526 138890 140911 165206 182495 184642 211990 236930 278545 281822 311315 364990 402781 413015 461605 557090 622630 704555 805562 826030 923210 1058471 1409110 1569457 2013905 2116942 2395487 2677309 3138914 4027810 4790974 5292355 5354618 7847285 10584710 11977435 13386545 15694570 23954870 26773090 45514253 91028506 227571265 455142530