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194806272 = 293126827
BaseRepresentation
bin10111001110010…
…00001000000000
3111120120011222010
423213020020000
5344332300042
631155212520
74553553213
oct1347101000
9446504863
10194806272
119aa65921
12552a7140
13314892ab
141bc2d77a
151218059c
hexb9c8200

194806272 has 40 divisors (see below), whose sum is σ = 518980176. Its totient is φ = 64934912.

The previous prime is 194806243. The next prime is 194806279. The reversal of 194806272 is 272608491.

It is a super-2 number, since 2×1948062722 = 75898967221075968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 194806272.

It is not an unprimeable number, because it can be changed into a prime (194806279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61878 + ... + 64949.

Almost surely, 2194806272 is an apocalyptic number.

194806272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194806272 is an abundant number, since it is smaller than the sum of its proper divisors (324173904).

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

194806272 is an equidigital number, since it uses as much as digits as its factorization.

194806272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126848 (or 126832 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 194806272 is about 13957.3017449649. The cubic root of 194806272 is about 579.6969006891.

It can be divided in two parts, 19480 and 6272, that added together give a palindrome (25752).

The spelling of 194806272 in words is "one hundred ninety-four million, eight hundred six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1536 126827 253654 380481 507308 760962 1014616 1521924 2029232 3043848 4058464 6087696 8116928 12175392 16233856 24350784 32467712 48701568 64935424 97403136 194806272