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306464430 = 23533730313
BaseRepresentation
bin10010010001000…
…100011010101110
3210100200000011110
4102101010122232
51111423330210
650224332450
710410622206
oct2221043256
9710600143
10306464430
11147a9a298
1286774126
134b6522cc
142c9b7406
151bd89420
hex124446ae

306464430 has 32 divisors (see below), whose sum is σ = 737721504. Its totient is φ = 81478656.

The previous prime is 306464399. The next prime is 306464441. The reversal of 306464430 is 34464603.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047 + ... + 25266.

It is an arithmetic number, because the mean of its divisors is an integer number (23053797).

Almost surely, 2306464430 is an apocalyptic number.

306464430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306464430 is an abundant number, since it is smaller than the sum of its proper divisors (431257074).

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

306464430 is a wasteful number, since it uses less digits than its factorization.

306464430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30660.

The product of its (nonzero) digits is 20736, while the sum is 30.

The square root of 306464430 is about 17506.1254993788. The cubic root of 306464430 is about 674.2071568966.

The spelling of 306464430 in words is "three hundred six million, four hundred sixty-four thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 337 674 1011 1685 2022 3370 5055 10110 30313 60626 90939 151565 181878 303130 454695 909390 10215481 20430962 30646443 51077405 61292886 102154810 153232215 306464430