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5538631000 = 23537791233
BaseRepresentation
bin1010010100010000…
…01100110101011000
3112021222220121101111
411022020030311120
542320342143000
62313332030104
7254152405150
oct51210146530
915258817344
105538631000
11239245a4a1
1210a6a62334
136a361b366
143a7831760
152263a0cba
hex14a20cd58

5538631000 has 64 divisors (see below), whose sum is σ = 14811900480. Its totient is φ = 1898956800.

The previous prime is 5538630983. The next prime is 5538631019. The reversal of 5538631000 is 1368355.

It is a super-2 number, since 2×55386310002 = 61352866708322000000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388617 + ... + 402616.

It is an arithmetic number, because the mean of its divisors is an integer number (231435945).

Almost surely, 25538631000 is an apocalyptic number.

5538631000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5538631000 is an abundant number, since it is smaller than the sum of its proper divisors (9273269480).

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

5538631000 is a wasteful number, since it uses less digits than its factorization.

5538631000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791261 (or 791247 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 5538631000 is about 74421.9792803175. The cubic root of 5538631000 is about 1769.2972834768.

Adding to 5538631000 its reverse (1368355), we get a palindrome (5539999355).

The spelling of 5538631000 in words is "five billion, five hundred thirty-eight million, six hundred thirty-one thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 791233 1582466 3164932 3956165 5538631 6329864 7912330 11077262 15824660 19780825 22154524 27693155 31649320 39561650 44309048 55386310 79123300 98904125 110772620 138465775 158246600 197808250 221545240 276931550 395616500 553863100 692328875 791233000 1107726200 1384657750 2769315500 5538631000