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49388474 = 253465929
BaseRepresentation
bin1011110001100…
…1101110111010
310102221012020202
42330121232322
5100120412344
64522322202
71136536502
oct274315672
9112835222
1049388474
1125973323
1214659362
13a302c65
1467b8a02
15450894e
hex2f19bba

49388474 has 8 divisors (see below), whose sum is σ = 75480660. Its totient is φ = 24228256.

The previous prime is 49388473. The next prime is 49388483. The reversal of 49388474 is 47488394.

It can be written as a sum of positive squares in 2 ways, for example, as 47265625 + 2122849 = 6875^2 + 1457^2 .

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

It is not an unprimeable number, because it can be changed into a prime (49388473) 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, 232859 + ... + 233070.

Almost surely, 249388474 is an apocalyptic number.

49388474 is a deficient number, since it is larger than the sum of its proper divisors (26092186).

49388474 is a wasteful number, since it uses less digits than its factorization.

49388474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465984.

The product of its digits is 774144, while the sum is 47.

The square root of 49388474 is about 7027.6933626902. The cubic root of 49388474 is about 366.8950641291.

The spelling of 49388474 in words is "forty-nine million, three hundred eighty-eight thousand, four hundred seventy-four".

Divisors: 1 2 53 106 465929 931858 24694237 49388474