Search a number
-
+
45287450 = 25213192193
BaseRepresentation
bin1010110011000…
…0100000011010
310011012211200222
42230300200122
543043144300
64254400042
71056636245
oct254604032
9104184628
1045287450
112362214a
1213200022
1394c8410
14602c25c
153e98785
hex2b3081a

45287450 has 72 divisors (see below), whose sum is σ = 96236028. Its totient is φ = 15759360.

The previous prime is 45287423. The next prime is 45287453. The reversal of 45287450 is 5478254.

It can be written as a sum of positive squares in 6 ways, for example, as 4289041 + 40998409 = 2071^2 + 6403^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45287450.

It is not an unprimeable number, because it can be changed into a prime (45287453) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 234554 + ... + 234746.

Almost surely, 245287450 is an apocalyptic number.

45287450 is an abundant number, since it is smaller than the sum of its proper divisors (50948578).

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

45287450 is a wasteful number, since it uses less digits than its factorization.

45287450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 45287450 is about 6729.5950844014. The cubic root of 45287450 is about 356.4450783431.

The spelling of 45287450 in words is "forty-five million, two hundred eighty-seven thousand, four hundred fifty".

Divisors: 1 2 5 10 13 19 25 26 38 50 65 95 130 190 193 247 325 361 386 475 494 650 722 950 965 1235 1805 1930 2470 2509 3610 3667 4693 4825 5018 6175 7334 9025 9386 9650 12350 12545 18050 18335 23465 25090 36670 46930 47671 62725 69673 91675 95342 117325 125450 139346 183350 234650 238355 348365 476710 696730 905749 1191775 1741825 1811498 2383550 3483650 4528745 9057490 22643725 45287450