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230410551 = 3710971931
BaseRepresentation
bin11011011101111…
…00100100110111
3121001120001212010
431232330210313
5432441114201
634510255303
75465312610
oct1556744467
9531501763
10230410551
11109073948
12651b7533
1338974107
142285ac07
1515364bd6
hexdbbc937

230410551 has 8 divisors (see below), whose sum is σ = 351101824. Its totient is φ = 131663160.

The previous prime is 230410547. The next prime is 230410553. The reversal of 230410551 is 155014032.

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

It is not a de Polignac number, because 230410551 - 22 = 230410547 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 10971931 = 230410551 / (2 + 3 + 0 + 4 + 1 + 0 + 5 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230410553) 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, 5485945 + ... + 5485986.

It is an arithmetic number, because the mean of its divisors is an integer number (43887728).

Almost surely, 2230410551 is an apocalyptic number.

230410551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230410551 is a deficient number, since it is larger than the sum of its proper divisors (120691273).

230410551 is a wasteful number, since it uses less digits than its factorization.

230410551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10971941.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 230410551 is about 15179.2803189084. The cubic root of 230410551 is about 613.0569037938.

Adding to 230410551 its reverse (155014032), we get a palindrome (385424583).

The spelling of 230410551 in words is "two hundred thirty million, four hundred ten thousand, five hundred fifty-one".

Divisors: 1 3 7 21 10971931 32915793 76803517 230410551