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305020122 = 23114621517
BaseRepresentation
bin10010001011100…
…011110011011010
3210020221121221120
4102023203303122
51111041120442
650133350110
710362425331
oct2213436332
9706847846
10305020122
111471a3150
1286198336
134b267aa4
142c71cd18
151bba14ec
hex122e3cda

305020122 has 16 divisors (see below), whose sum is σ = 665498592. Its totient is φ = 92430320.

The previous prime is 305020099. The next prime is 305020153. The reversal of 305020122 is 221020503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310693 + ... + 2310824.

It is an arithmetic number, because the mean of its divisors is an integer number (41593662).

Almost surely, 2305020122 is an apocalyptic number.

305020122 is an abundant number, since it is smaller than the sum of its proper divisors (360478470).

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

305020122 is a wasteful number, since it uses less digits than its factorization.

305020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621533.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 305020122 is about 17464.8252782557. The cubic root of 305020122 is about 673.1463524098.

Adding to 305020122 its reverse (221020503), we get a palindrome (526040625).

The spelling of 305020122 in words is "three hundred five million, twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 11 22 33 66 4621517 9243034 13864551 27729102 50836687 101673374 152510061 305020122