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49789044 = 22321983877
BaseRepresentation
bin1011110111101…
…1100001110100
310110200112201200
42331323201310
5100221222134
64535052500
71143125364
oct275734164
9113615650
1049789044
1126117278
1214811130
13a413396
1468809a4
154587499
hex2f7b874

49789044 has 72 divisors (see below), whose sum is σ = 134228640. Its totient is φ = 15515712.

The previous prime is 49789021. The next prime is 49789049. The reversal of 49789044 is 44098794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49789049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56334 + ... + 57210.

Almost surely, 249789044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49789044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67114320).

49789044 is an abundant number, since it is smaller than the sum of its proper divisors (84439596).

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

49789044 is a wasteful number, since it uses less digits than its factorization.

49789044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 49789044 is about 7056.1352027863. The cubic root of 49789044 is about 367.8843071260.

The spelling of 49789044 in words is "forty-nine million, seven hundred eighty-nine thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 83 114 166 171 228 249 332 342 498 684 747 877 996 1494 1577 1754 2631 2988 3154 3508 4731 5262 6308 7893 9462 10524 14193 15786 16663 18924 28386 31572 33326 49989 56772 66652 72791 99978 145582 149967 199956 218373 291164 299934 436746 599868 655119 873492 1310238 1383029 2620476 2766058 4149087 5532116 8298174 12447261 16596348 24894522 49789044