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305142702 = 23232211179
BaseRepresentation
bin10010001100000…
…001101110101110
3210021011212002120
4102030001232232
51111104031302
650140133410
710363445604
oct2214015656
9707155076
10305142702
11147277257
1286237266
134b2ab817
142c751874
151bbc79bc
hex12301bae

305142702 has 16 divisors (see below), whose sum is σ = 636819840. Its totient is φ = 97291832.

The previous prime is 305142689. The next prime is 305142713. The reversal of 305142702 is 207241503.

305142702 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3051427022 = 186224137167721608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1105452 + ... + 1105727.

It is an arithmetic number, because the mean of its divisors is an integer number (39801240).

Almost surely, 2305142702 is an apocalyptic number.

305142702 is an abundant number, since it is smaller than the sum of its proper divisors (331677138).

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

305142702 is a wasteful number, since it uses less digits than its factorization.

305142702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211207.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 305142702 is about 17468.3342651782. The cubic root of 305142702 is about 673.2365139247.

It can be divided in two parts, 3051 and 42702, that added together give a triangular number (45753 = T302).

The spelling of 305142702 in words is "three hundred five million, one hundred forty-two thousand, seven hundred two".

Divisors: 1 2 3 6 23 46 69 138 2211179 4422358 6633537 13267074 50857117 101714234 152571351 305142702