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101208260 = 22529211827
BaseRepresentation
bin1100000100001…
…01000011000100
321001102220122002
412002011003010
5201402131020
614013124432
72336153546
oct602050304
9231386562
10101208260
115214729a
1229a89718
1317c7775a
14d627696
158d42975
hex60850c4

101208260 has 48 divisors (see below), whose sum is σ = 221175360. Its totient is φ = 38855040.

The previous prime is 101208253. The next prime is 101208281. The reversal of 101208260 is 62802101.

It is a super-2 number, since 2×1012082602 = 20486223784455200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121967 + ... + 122793.

It is an arithmetic number, because the mean of its divisors is an integer number (4607820).

Almost surely, 2101208260 is an apocalyptic number.

101208260 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 101208260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110587680).

101208260 is an abundant number, since it is smaller than the sum of its proper divisors (119967100).

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

101208260 is a wasteful number, since it uses less digits than its factorization.

101208260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 101208260 is about 10060.2316076719. The cubic root of 101208260 is about 466.0208197394.

The spelling of 101208260 in words is "one hundred one million, two hundred eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 29 58 116 145 211 290 422 580 827 844 1055 1654 2110 3308 4135 4220 6119 8270 12238 16540 23983 24476 30595 47966 61190 95932 119915 122380 174497 239830 348994 479660 697988 872485 1744970 3489940 5060413 10120826 20241652 25302065 50604130 101208260