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57899998 = 2132226923
BaseRepresentation
bin1101110011011…
…1101111011110
311000221121212101
43130313233132
5104310244443
65424555314
71302066442
oct334675736
9130847771
1057899998
112a757142
1217482b3a
13bcc3170
147992822
15513a84d
hex3737bde

57899998 has 8 divisors (see below), whose sum is σ = 93530808. Its totient is φ = 26723064.

The previous prime is 57899981. The next prime is 57899999. The reversal of 57899998 is 89999875.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57899999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113436 + ... + 1113487.

It is an arithmetic number, because the mean of its divisors is an integer number (11691351).

Almost surely, 257899998 is an apocalyptic number.

57899998 is a deficient number, since it is larger than the sum of its proper divisors (35630810).

57899998 is a wasteful number, since it uses less digits than its factorization.

57899998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226938.

The product of its digits is 14696640, while the sum is 64.

The square root of 57899998 is about 7609.2048204789. The cubic root of 57899998 is about 386.8650674580.

It can be divided in two parts, 578 and 99998, that added together give a triangular number (100576 = T448).

The spelling of 57899998 in words is "fifty-seven million, eight hundred ninety-nine thousand, nine hundred ninety-eight".

Divisors: 1 2 13 26 2226923 4453846 28949999 57899998