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305072496 = 243210631993
BaseRepresentation
bin10010001011110…
…000100101110000
3210021001021210100
4102023300211300
51111044304441
650134432400
710363034121
oct2213604560
9707037710
10305072496
11147229533
1286202700
134b285891
142c734048
151bbb1cb6
hex122f0970

305072496 has 60 divisors (see below), whose sum is σ = 855011248. Its totient is φ = 101544192.

The previous prime is 305072491. The next prime is 305072503. The reversal of 305072496 is 694270503.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 305072496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305072491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152076 + ... + 154068.

Almost surely, 2305072496 is an apocalyptic number.

305072496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

305072496 is an abundant number, since it is smaller than the sum of its proper divisors (549938752).

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

305072496 is a wasteful number, since it uses less digits than its factorization.

305072496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 305072496 is about 17466.3246276943. The cubic root of 305072496 is about 673.1848781188.

The spelling of 305072496 in words is "three hundred five million, seventy-two thousand, four hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1063 1993 2126 3189 3986 4252 5979 6378 7972 8504 9567 11958 12756 15944 17008 17937 19134 23916 25512 31888 35874 38268 47832 51024 71748 76536 95664 143496 153072 286992 2118559 4237118 6355677 8474236 12711354 16948472 19067031 25422708 33896944 38134062 50845416 76268124 101690832 152536248 305072496