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101488920 = 23351367971
BaseRepresentation
bin1100000110010…
…01100100011000
321001222011121220
412003021210120
5201440121140
614023132040
72341433031
oct603114430
9231864556
10101488920
1152319145
1229ba4020
1318045420
14d69ba88
158d9abd0
hex60c9918

101488920 has 128 divisors (see below), whose sum is σ = 333123840. Its totient is φ = 24583680.

The previous prime is 101488913. The next prime is 101488927. The reversal of 101488920 is 29884101.

It is an interprime number because it is at equal distance from previous prime (101488913) and next prime (101488927).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101488927) 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, 104035 + ... + 105005.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2101488920 is an apocalyptic number.

101488920 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 101488920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166561920).

101488920 is an abundant number, since it is smaller than the sum of its proper divisors (231634920).

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

101488920 is a wasteful number, since it uses less digits than its factorization.

101488920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 101488920 is about 10074.1709336302. The cubic root of 101488920 is about 466.4511953115.

The spelling of 101488920 in words is "one hundred one million, four hundred eighty-eight thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 20 24 26 30 39 40 52 60 65 67 78 104 120 130 134 156 195 201 260 268 312 335 390 402 520 536 670 780 804 871 971 1005 1340 1560 1608 1742 1942 2010 2613 2680 2913 3484 3884 4020 4355 4855 5226 5826 6968 7768 8040 8710 9710 10452 11652 12623 13065 14565 17420 19420 20904 23304 25246 26130 29130 34840 37869 38840 50492 52260 58260 63115 65057 75738 100984 104520 116520 126230 130114 151476 189345 195171 252460 260228 302952 325285 378690 390342 504920 520456 650570 757380 780684 845741 975855 1301140 1514760 1561368 1691482 1951710 2537223 2602280 3382964 3903420 4228705 5074446 6765928 7806840 8457410 10148892 12686115 16914820 20297784 25372230 33829640 50744460 101488920