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49098888 = 23321921889
BaseRepresentation
bin1011101101001…
…1000010001000
310102101111000100
42323103002020
5100032131023
64512205400
71134222306
oct273230210
9112344010
1049098888
11257957a3
1214539860
13a2311c7
146741276
15449cc43
hex2ed3088

49098888 has 72 divisors (see below), whose sum is σ = 140417550. Its totient is φ = 15496704.

The previous prime is 49098887. The next prime is 49098893. The reversal of 49098888 is 88889094.

It can be written as a sum of positive squares in only one way, i.e., 42224004 + 6874884 = 6498^2 + 2622^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49098883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25048 + ... + 26936.

Almost surely, 249098888 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 49098888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70208775).

49098888 is an abundant number, since it is smaller than the sum of its proper divisors (91318662).

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

49098888 is a wasteful number, since it uses less digits than its factorization.

49098888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The square root of 49098888 is about 7007.0598684470. The cubic root of 49098888 is about 366.1765698246.

The spelling of 49098888 in words is "forty-nine million, ninety-eight thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 361 456 684 722 1083 1368 1444 1889 2166 2888 3249 3778 4332 5667 6498 7556 8664 11334 12996 15112 17001 22668 25992 34002 35891 45336 68004 71782 107673 136008 143564 215346 287128 323019 430692 646038 681929 861384 1292076 1363858 2045787 2584152 2727716 4091574 5455432 6137361 8183148 12274722 16366296 24549444 49098888