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455885380 = 225313532083
BaseRepresentation
bin11011001011000…
…100001001000100
31011202211101011201
4123023010021010
51413201313010
6113123112244
714203650616
oct3313041104
91152741151
10455885380
11214376485
12108812684
13735aa782
1444790db6
152a05223a
hex1b2c4244

455885380 has 48 divisors (see below), whose sum is σ = 991517184. Its totient is φ = 175887360.

The previous prime is 455885363. The next prime is 455885387. The reversal of 455885380 is 83588554.

It is a self number, because there is not a number n which added to its sum of digits gives 455885380.

It is not an unprimeable number, because it can be changed into a prime (455885387) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 217819 + ... + 219901.

It is an arithmetic number, because the mean of its divisors is an integer number (20656608).

Almost surely, 2455885380 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 455885380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495758592).

455885380 is an abundant number, since it is smaller than the sum of its proper divisors (535631804).

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

455885380 is a wasteful number, since it uses less digits than its factorization.

455885380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 46.

The square root of 455885380 is about 21351.4725487494. The cubic root of 455885380 is about 769.6357303249.

The spelling of 455885380 in words is "four hundred fifty-five million, eight hundred eighty-five thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 353 620 706 1412 1765 2083 3530 4166 7060 8332 10415 10943 20830 21886 41660 43772 54715 64573 109430 129146 218860 258292 322865 645730 735299 1291460 1470598 2941196 3676495 7352990 14705980 22794269 45588538 91177076 113971345 227942690 455885380