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230040501 = 379796211
BaseRepresentation
bin11011011011000…
…10001110110101
3121000212021020120
431231202032311
5432342244001
634454322153
75462212005
oct1555421665
9530767216
10230040501
11108940919
1265059359
1338874852
14227a2005
15152e0236
hexdb623b5

230040501 has 8 divisors (see below), whose sum is σ = 307108704. Its totient is φ = 153166320.

The previous prime is 230040487. The next prime is 230040521. The reversal of 230040501 is 105040032.

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

It is not a de Polignac number, because 230040501 - 27 = 230040373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230040521) 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, 45715 + ... + 50496.

It is an arithmetic number, because the mean of its divisors is an integer number (38388588).

Almost surely, 2230040501 is an apocalyptic number.

It is an amenable number.

230040501 is a deficient number, since it is larger than the sum of its proper divisors (77068203).

230040501 is an equidigital number, since it uses as much as digits as its factorization.

230040501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97011.

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

The square root of 230040501 is about 15167.0861077532. The cubic root of 230040501 is about 612.7285286899.

Adding to 230040501 its reverse (105040032), we get a palindrome (335080533).

The spelling of 230040501 in words is "two hundred thirty million, forty thousand, five hundred one".

Divisors: 1 3 797 2391 96211 288633 76680167 230040501