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49473855 = 3352912637
BaseRepresentation
bin1011110010111…
…0100100111111
310110002112101000
42330232210333
5100131130410
64524221343
71140343434
oct274564477
9113075330
1049473855
1125a21492
121469a853
13a332a92
1467dbb8b
154523dc0
hex2f2e93f

49473855 has 32 divisors (see below), whose sum is σ = 90993600. Its totient is φ = 25474176.

The previous prime is 49473821. The next prime is 49473863. The reversal of 49473855 is 55837494.

It is not a de Polignac number, because 49473855 - 218 = 49211711 is a prime.

It is a super-2 number, since 2×494738552 = 4895324657122050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49473855.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 2404 + ... + 10233.

It is an arithmetic number, because the mean of its divisors is an integer number (2843550).

Almost surely, 249473855 is an apocalyptic number.

49473855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49473855 is a deficient number, since it is larger than the sum of its proper divisors (41519745).

49473855 is a wasteful number, since it uses less digits than its factorization.

49473855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680 (or 12674 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 49473855 is about 7033.7653500810. The cubic root of 49473855 is about 367.1063673650.

The spelling of 49473855 in words is "forty-nine million, four hundred seventy-three thousand, eight hundred fifty-five".

Divisors: 1 3 5 9 15 27 29 45 87 135 145 261 435 783 1305 3915 12637 37911 63185 113733 189555 341199 366473 568665 1099419 1705995 1832365 3298257 5497095 9894771 16491285 49473855