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49791738 = 2361136043
BaseRepresentation
bin1011110111110…
…0001011111010
310110200200102110
42331330023322
5100221313423
64535113150
71143136263
oct275741372
9113620373
1049791738
11261192a7
12148127b6
13a414689
14688196a
154588193
hex2f7c2fa

49791738 has 16 divisors (see below), whose sum is σ = 101216736. Its totient is φ = 16325040.

The previous prime is 49791737. The next prime is 49791739. The reversal of 49791738 is 83719794.

It is an interprime number because it is at equal distance from previous prime (49791737) and next prime (49791739).

It is a super-3 number, since 3×497917383 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (49791737) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67656 + ... + 68387.

It is an arithmetic number, because the mean of its divisors is an integer number (6326046).

Almost surely, 249791738 is an apocalyptic number.

49791738 is an abundant number, since it is smaller than the sum of its proper divisors (51424998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49791738 is a wasteful number, since it uses less digits than its factorization.

49791738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136109.

The product of its digits is 381024, while the sum is 48.

The square root of 49791738 is about 7056.3260979068. The cubic root of 49791738 is about 367.8909422032.

It can be divided in two parts, 497 and 91738, that added together give a triangular number (92235 = T429).

The spelling of 49791738 in words is "forty-nine million, seven hundred ninety-one thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 61 122 183 366 136043 272086 408129 816258 8298623 16597246 24895869 49791738