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20048508 = 22321724147
BaseRepresentation
bin100110001111…
…0101001111100
31101201120101100
41030132221330
520113023013
61553413100
7332260314
oct114365174
941646340
1020048508
1110353817
12686a190
1341cc52c
14293c444
151b60473
hex131ea7c

20048508 has 108 divisors (see below), whose sum is σ = 56320992. Its totient is φ = 6005760.

The previous prime is 20048503. The next prime is 20048513. The reversal of 20048508 is 80584002.

It is an interprime number because it is at equal distance from previous prime (20048503) and next prime (20048513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20048503) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 426541 + ... + 426587.

Almost surely, 220048508 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 20048508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28160496).

20048508 is an abundant number, since it is smaller than the sum of its proper divisors (36272484).

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

20048508 is a wasteful number, since it uses less digits than its factorization.

20048508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 20048508 is about 4477.5560298002. The cubic root of 20048508 is about 271.6610360951.

The spelling of 20048508 in words is "twenty million, forty-eight thousand, five hundred eight".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 41 47 51 68 82 94 102 123 141 153 164 188 204 246 282 289 306 369 423 492 564 578 612 697 738 799 846 867 1156 1394 1476 1598 1692 1734 1927 2091 2397 2601 2788 3196 3468 3854 4182 4794 5202 5781 6273 7191 7708 8364 9588 10404 11562 11849 12546 13583 14382 17343 23124 23698 25092 27166 28764 32759 34686 35547 40749 47396 54332 65518 69372 71094 81498 98277 106641 122247 131036 142188 162996 196554 213282 244494 294831 393108 426564 488988 556903 589662 1113806 1179324 1670709 2227612 3341418 5012127 6682836 10024254 20048508