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235030141 = 1511556491
BaseRepresentation
bin11100000001001…
…00011001111101
3121101020202202001
432000210121331
5440131431031
635153302301
75552503033
oct1600443175
9541222661
10235030141
11110739695
1266864991
13399009b8
1423300553
1515978861
hexe02467d

235030141 has 4 divisors (see below), whose sum is σ = 236586784. Its totient is φ = 233473500.

The previous prime is 235030139. The next prime is 235030177. The reversal of 235030141 is 141030532.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 235030141 - 21 = 235030139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235030111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 778095 + ... + 778396.

It is an arithmetic number, because the mean of its divisors is an integer number (59146696).

Almost surely, 2235030141 is an apocalyptic number.

It is an amenable number.

235030141 is a deficient number, since it is larger than the sum of its proper divisors (1556643).

235030141 is a wasteful number, since it uses less digits than its factorization.

235030141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556642.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 235030141 is about 15330.6927762577. The cubic root of 235030141 is about 617.1269611690.

Adding to 235030141 its reverse (141030532), we get a palindrome (376060673).

The spelling of 235030141 in words is "two hundred thirty-five million, thirty thousand, one hundred forty-one".

Divisors: 1 151 1556491 235030141