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305150022 = 23216952779
BaseRepresentation
bin10010001100000…
…011100001000110
3210021012020010200
4102030003201012
51111104300042
650140231330
710363506132
oct2214034106
9707166120
10305150022
11147281801
128623b546
134b2b1c58
142c7543c2
151bbc9c4c
hex12303846

305150022 has 12 divisors (see below), whose sum is σ = 661158420. Its totient is φ = 101716668.

The previous prime is 305150009. The next prime is 305150033. The reversal of 305150022 is 220051503.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 16952779 = 305150022 / (3 + 0 + 5 + 1 + 5 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 305149977 and 305150004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8476372 + ... + 8476407.

It is an arithmetic number, because the mean of its divisors is an integer number (55096535).

Almost surely, 2305150022 is an apocalyptic number.

305150022 is an abundant number, since it is smaller than the sum of its proper divisors (356008398).

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

305150022 is a wasteful number, since it uses less digits than its factorization.

305150022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952787 (or 16952784 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 305150022 is about 17468.5437859027. The cubic root of 305150022 is about 673.2418972551.

The spelling of 305150022 in words is "three hundred five million, one hundred fifty thousand, twenty-two".

Divisors: 1 2 3 6 9 18 16952779 33905558 50858337 101716674 152575011 305150022