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230121501 = 3241318287
BaseRepresentation
bin11011011011101…
…10000000011101
3121001000101100120
431231312000131
5432402342001
634500145153
75463000111
oct1555660035
9531011316
10230121501
11108996765
12650981b9
13388a268c
14227c3741
1515309236
hexdb7601d

230121501 has 8 divisors (see below), whose sum is σ = 308102784. Its totient is φ = 152777280.

The previous prime is 230121497. The next prime is 230121511. The reversal of 230121501 is 105121032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 230121501 - 22 = 230121497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121511) 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, 158421 + ... + 159866.

It is an arithmetic number, because the mean of its divisors is an integer number (38512848).

Almost surely, 2230121501 is an apocalyptic number.

It is an amenable number.

230121501 is a deficient number, since it is larger than the sum of its proper divisors (77981283).

230121501 is a wasteful number, since it uses less digits than its factorization.

230121501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318531.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 230121501 is about 15169.7561285605. The cubic root of 230121501 is about 612.8004365880.

Adding to 230121501 its reverse (105121032), we get a palindrome (335242533).

The spelling of 230121501 in words is "two hundred thirty million, one hundred twenty-one thousand, five hundred one".

Divisors: 1 3 241 723 318287 954861 76707167 230121501