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103143458 = 2114688339
BaseRepresentation
bin1100010010111…
…01100000100010
321012002020020002
412021131200202
5202401042313
614122420002
72361463535
oct611354042
9235066202
10103143458
1153249230
122a661602
13184a4542
14d9aca1c
1590c6058
hex625d822

103143458 has 8 divisors (see below), whose sum is σ = 168780240. Its totient is φ = 46883380.

The previous prime is 103143451. The next prime is 103143463. The reversal of 103143458 is 854341301.

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

It is a self number, because there is not a number n which added to its sum of digits gives 103143458.

It is not an unprimeable number, because it can be changed into a prime (103143451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2344148 + ... + 2344191.

It is an arithmetic number, because the mean of its divisors is an integer number (21097530).

Almost surely, 2103143458 is an apocalyptic number.

103143458 is a deficient number, since it is larger than the sum of its proper divisors (65636782).

103143458 is a wasteful number, since it uses less digits than its factorization.

103143458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688352.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 103143458 is about 10155.9567742286. The cubic root of 103143458 is about 468.9723404355.

Adding to 103143458 its reverse (854341301), we get a palindrome (957484759).

The spelling of 103143458 in words is "one hundred three million, one hundred forty-three thousand, four hundred fifty-eight".

Divisors: 1 2 11 22 4688339 9376678 51571729 103143458