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302020121 = 1367346751
BaseRepresentation
bin10010000000000…
…111011000011001
3210001022012201102
4102000013120121
51104304120441
645545201145
710325062064
oct2200073031
9701265642
10302020121
11145534207
12851901b5
134a757440
142c17b8db
151b7ac69b
hex12007619

302020121 has 8 divisors (see below), whose sum is σ = 330107904. Its totient is φ = 274626000.

The previous prime is 302020099. The next prime is 302020127. The reversal of 302020121 is 121020203.

It is a happy number.

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 302020121 - 26 = 302020057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302020127) 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, 172505 + ... + 174246.

It is an arithmetic number, because the mean of its divisors is an integer number (41263488).

Almost surely, 2302020121 is an apocalyptic number.

It is an amenable number.

302020121 is a deficient number, since it is larger than the sum of its proper divisors (28087783).

302020121 is a wasteful number, since it uses less digits than its factorization.

302020121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346831.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 302020121 is about 17378.7261040618. The cubic root of 302020121 is about 670.9321850170.

Adding to 302020121 its reverse (121020203), we get a palindrome (423040324).

The spelling of 302020121 in words is "three hundred two million, twenty thousand, one hundred twenty-one".

Divisors: 1 13 67 871 346751 4507763 23232317 302020121