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230537554 = 2138866829
BaseRepresentation
bin11011011110110…
…11100101010010
3121001210112001221
431233123211102
5433004200204
634513115254
75466352102
oct1557334522
9531715057
10230537554
11109150305
1265258b2a
13389b9b70
1422891202
151538c654
hexdbdb952

230537554 has 8 divisors (see below), whose sum is σ = 372406860. Its totient is φ = 106401936.

The previous prime is 230537539. The next prime is 230537591. The reversal of 230537554 is 455735032.

It can be written as a sum of positive squares in 2 ways, for example, as 216884529 + 13653025 = 14727^2 + 3695^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4433389 + ... + 4433440.

Almost surely, 2230537554 is an apocalyptic number.

230537554 is a deficient number, since it is larger than the sum of its proper divisors (141869306).

230537554 is a wasteful number, since it uses less digits than its factorization.

230537554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8866844.

The product of its (nonzero) digits is 63000, while the sum is 34.

The square root of 230537554 is about 15183.4631754419. The cubic root of 230537554 is about 613.1695227174.

The spelling of 230537554 in words is "two hundred thirty million, five hundred thirty-seven thousand, five hundred fifty-four".

Divisors: 1 2 13 26 8866829 17733658 115268777 230537554