Search a number
-
+
465131400 = 233521940801
BaseRepresentation
bin11011101110010…
…101011110001000
31012102020010022220
4123232111132020
51423033201100
6114053214040
714345360136
oct3356253610
91172203286
10465131400
11219611118
1210b931320
13754970a6
1445aba756
152ac7baa0
hex1bb95788

465131400 has 96 divisors (see below), whose sum is σ = 1517834400. Its totient is φ = 117504000.

The previous prime is 465131389. The next prime is 465131431. The reversal of 465131400 is 4131564.

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 23 ways as a sum of consecutive naturals, for example, 9001 + ... + 31800.

It is an arithmetic number, because the mean of its divisors is an integer number (15810775).

Almost surely, 2465131400 is an apocalyptic number.

465131400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

465131400 is an abundant number, since it is smaller than the sum of its proper divisors (1052703000).

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

465131400 is a wasteful number, since it uses less digits than its factorization.

465131400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40839 (or 40830 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 465131400 is about 21566.9052021842. The cubic root of 465131400 is about 774.8040572973.

Adding to 465131400 its reverse (4131564), we get a palindrome (469262964).

The spelling of 465131400 in words is "four hundred sixty-five million, one hundred thirty-one thousand, four hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 19 20 24 25 30 38 40 50 57 60 75 76 95 100 114 120 150 152 190 200 228 285 300 380 456 475 570 600 760 950 1140 1425 1900 2280 2850 3800 5700 11400 40801 81602 122403 163204 204005 244806 326408 408010 489612 612015 775219 816020 979224 1020025 1224030 1550438 1632040 2040050 2325657 2448060 3060075 3100876 3876095 4080100 4651314 4896120 6120150 6201752 7752190 8160200 9302628 11628285 12240300 15504380 18605256 19380475 23256570 24480600 31008760 38760950 46513140 58141425 77521900 93026280 116282850 155043800 232565700 465131400