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305355053 = 3113771899
BaseRepresentation
bin10010001100110…
…101100100101101
3210021120122101102
4102030311210231
51111132330203
650144452445
710365321653
oct2214654455
9707518342
10305355053
11147401853
128631a125
134b354383
142c7a8dd3
151bc1a888
hex1233592d

305355053 has 8 divisors (see below), whose sum is σ = 317510400. Its totient is φ = 293343840.

The previous prime is 305355047. The next prime is 305355067. The reversal of 305355053 is 350553503.

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 305355053 - 210 = 305354029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305355013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31703 + ... + 40196.

It is an arithmetic number, because the mean of its divisors is an integer number (39688800).

Almost surely, 2305355053 is an apocalyptic number.

It is an amenable number.

305355053 is a deficient number, since it is larger than the sum of its proper divisors (12155347).

305355053 is a wasteful number, since it uses less digits than its factorization.

305355053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72067.

The product of its (nonzero) digits is 16875, while the sum is 29.

The square root of 305355053 is about 17474.4113777832. The cubic root of 305355053 is about 673.3926477554.

The spelling of 305355053 in words is "three hundred five million, three hundred fifty-five thousand, fifty-three".

Divisors: 1 31 137 4247 71899 2228869 9850163 305355053