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305142701 = 736596343
BaseRepresentation
bin10010001100000…
…001101110101101
3210021011212002112
4102030001232231
51111104031301
650140133405
710363445603
oct2214015655
9707155075
10305142701
11147277256
1286237265
134b2ab816
142c751873
151bbc79bb
hex12301bad

305142701 has 8 divisors (see below), whose sum is σ = 309840960. Its totient is φ = 300458592.

The previous prime is 305142689. The next prime is 305142713. The reversal of 305142701 is 107241503.

It is an interprime number because it is at equal distance from previous prime (305142689) and next prime (305142713).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 305142701 - 26 = 305142637 is a prime.

It is a super-2 number, since 2×3051427012 = 186224135947150802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305142301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44936 + ... + 51278.

It is an arithmetic number, because the mean of its divisors is an integer number (38730120).

Almost surely, 2305142701 is an apocalyptic number.

It is an amenable number.

305142701 is a deficient number, since it is larger than the sum of its proper divisors (4698259).

305142701 is an equidigital number, since it uses as much as digits as its factorization.

305142701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7075.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 305142701 is about 17468.3342365550. The cubic root of 305142701 is about 673.2365131893.

The spelling of 305142701 in words is "three hundred five million, one hundred forty-two thousand, seven hundred one".

Divisors: 1 73 659 6343 48107 463039 4180037 305142701