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18984952 = 2372192549
BaseRepresentation
bin100100001101…
…0111111111000
31022201112110101
41020122333320
514330004302
61514525144
7320240500
oct110327770
938645411
1018984952
11a797748
1264367b4
133c193cc
142742a00
151a00287
hex121aff8

18984952 has 48 divisors (see below), whose sum is σ = 43605000. Its totient is φ = 7705152.

The previous prime is 18984949. The next prime is 18984967. The reversal of 18984952 is 25948981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6174 + ... + 8722.

Almost surely, 218984952 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 18984952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21802500).

18984952 is an abundant number, since it is smaller than the sum of its proper divisors (24620048).

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

18984952 is a wasteful number, since it uses less digits than its factorization.

18984952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 2577 counting only the distinct ones).

The product of its digits is 207360, while the sum is 46.

The square root of 18984952 is about 4357.1724776511. The cubic root of 18984952 is about 266.7697004628.

The spelling of 18984952 in words is "eighteen million, nine hundred eighty-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 2549 3724 5098 7448 10196 17843 20392 35686 48431 71372 96862 124901 142744 193724 249802 339017 387448 499604 678034 999208 1356068 2373119 2712136 4746238 9492476 18984952