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455222040 = 233571341687
BaseRepresentation
bin11011001000100…
…010001100011000
31011201120200020120
4123020202030120
51413014101130
6113100553240
714165215650
oct3310421430
91151520216
10455222040
11213a63069
12108552820
1373407870
144465b360
1529e70910
hex1b222318

455222040 has 128 divisors (see below), whose sum is σ = 1680860160. Its totient is φ = 96044544.

The previous prime is 455222023. The next prime is 455222051. The reversal of 455222040 is 40222554.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 455222040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9924 + ... + 31763.

It is an arithmetic number, because the mean of its divisors is an integer number (13131720).

Almost surely, 2455222040 is an apocalyptic number.

455222040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455222040 is an abundant number, since it is smaller than the sum of its proper divisors (1225638120).

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

455222040 is a wasteful number, since it uses less digits than its factorization.

455222040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41721 (or 41717 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 455222040 is about 21335.9330707612. The cubic root of 455222040 is about 769.2622607313.

Adding to 455222040 its reverse (40222554), we get a palindrome (495444594).

The spelling of 455222040 in words is "four hundred fifty-five million, two hundred twenty-two thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 13 14 15 20 21 24 26 28 30 35 39 40 42 52 56 60 65 70 78 84 91 104 105 120 130 140 156 168 182 195 210 260 273 280 312 364 390 420 455 520 546 728 780 840 910 1092 1365 1560 1820 2184 2730 3640 5460 10920 41687 83374 125061 166748 208435 250122 291809 333496 416870 500244 541931 583618 625305 833740 875427 1000488 1083862 1167236 1250610 1459045 1625793 1667480 1750854 2167724 2334472 2501220 2709655 2918090 3251586 3501708 3793517 4335448 4377135 5002440 5419310 5836180 6503172 7003416 7587034 8128965 8754270 10838620 11380551 11672360 13006344 15174068 16257930 17508540 18967585 21677240 22761102 30348136 32515860 35017080 37935170 45522204 56902755 65031720 75870340 91044408 113805510 151740680 227611020 455222040