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101942280 = 23335118581
BaseRepresentation
bin1100001001110…
…00010000001000
321002211012112000
412010320100020
5202044123110
614040551000
72345331546
oct604702010
9232735460
10101942280
11525a8820
122a182460
131817389b
14d778d96
158e3a1c0
hex6138408

101942280 has 128 divisors (see below), whose sum is σ = 370742400. Its totient is φ = 24710400.

The previous prime is 101942273. The next prime is 101942287. The reversal of 101942280 is 82249101.

It is an interprime number because it is at equal distance from previous prime (101942273) and next prime (101942287).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101942287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7590 + ... + 16170.

It is an arithmetic number, because the mean of its divisors is an integer number (2896425).

Almost surely, 2101942280 is an apocalyptic number.

101942280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101942280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185371200).

101942280 is an abundant number, since it is smaller than the sum of its proper divisors (268800120).

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

101942280 is a wasteful number, since it uses less digits than its factorization.

101942280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8612 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 101942280 is about 10096.6469681771. The cubic root of 101942280 is about 467.1447232602.

The spelling of 101942280 in words is "one hundred one million, nine hundred forty-two thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 24 27 30 33 36 40 44 45 54 55 60 66 72 88 90 99 108 110 120 132 135 165 180 198 216 220 264 270 297 330 360 396 440 495 540 594 660 792 990 1080 1188 1320 1485 1980 2376 2970 3960 5940 8581 11880 17162 25743 34324 42905 51486 68648 77229 85810 94391 102972 128715 154458 171620 188782 205944 231687 257430 283173 308916 343240 377564 386145 463374 471955 514860 566346 617832 755128 772290 849519 926748 943910 1029720 1132692 1158435 1415865 1544580 1699038 1853496 1887820 2265384 2316870 2548557 2831730 3089160 3398076 3775640 4247595 4633740 5097114 5663460 6796152 8495190 9267480 10194228 11326920 12742785 16990380 20388456 25485570 33980760 50971140 101942280