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49998477 = 316666159
BaseRepresentation
bin1011111010111…
…0101010001101
310111002012000110
42332232222031
5100244422402
64543350233
71144660104
oct276565215
9114065013
1049998477
112624a661
12148b2379
13a4877c9
1468d703b
1545c956c
hex2faea8d

49998477 has 4 divisors (see below), whose sum is σ = 66664640. Its totient is φ = 33332316.

The previous prime is 49998469. The next prime is 49998491. The reversal of 49998477 is 77489994.

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 not a de Polignac number, because 49998477 - 23 = 49998469 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 (49998427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8333077 + ... + 8333082.

It is an arithmetic number, because the mean of its divisors is an integer number (16666160).

Almost surely, 249998477 is an apocalyptic number.

It is an amenable number.

49998477 is a deficient number, since it is larger than the sum of its proper divisors (16666163).

49998477 is a wasteful number, since it uses less digits than its factorization.

49998477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16666162.

The product of its digits is 4572288, while the sum is 57.

The square root of 49998477 is about 7070.9601186826. The cubic root of 49998477 is about 368.3994093061.

The spelling of 49998477 in words is "forty-nine million, nine hundred ninety-eight thousand, four hundred seventy-seven".

Divisors: 1 3 16666159 49998477