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455142120 = 23358345697
BaseRepresentation
bin11011001000001…
…110101011101000
31011201102121121120
4123020032223220
51413004021440
6113055135240
714164433646
oct3310165350
91151377546
10455142120
11213a09014
12108514520
13733aa384
144463a196
1529e56dd0
hex1b20eae8

455142120 has 64 divisors (see below), whose sum is σ = 1381907520. Its totient is φ = 119906304.

The previous prime is 455142119. The next prime is 455142151. The reversal of 455142120 is 21241554.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12889 + ... + 32808.

It is an arithmetic number, because the mean of its divisors is an integer number (21592305).

Almost surely, 2455142120 is an apocalyptic number.

455142120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455142120 is an abundant number, since it is smaller than the sum of its proper divisors (926765400).

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

455142120 is a wasteful number, since it uses less digits than its factorization.

455142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45794 (or 45790 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 455142120 is about 21334.0600917875. The cubic root of 455142120 is about 769.2172401826.

Adding to 455142120 its reverse (21241554), we get a palindrome (476383674).

The spelling of 455142120 in words is "four hundred fifty-five million, one hundred forty-two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 83 120 166 249 332 415 498 664 830 996 1245 1660 1992 2490 3320 4980 9960 45697 91394 137091 182788 228485 274182 365576 456970 548364 685455 913940 1096728 1370910 1827880 2741820 3792851 5483640 7585702 11378553 15171404 18964255 22757106 30342808 37928510 45514212 56892765 75857020 91028424 113785530 151714040 227571060 455142120