Search a number
-
+
101105988 = 22371118669
BaseRepresentation
bin1100000011011…
…00000101000100
321001020201100020
412001230011010
5201340342423
614011015140
72335246434
oct601540504
9231221306
10101105988
1152087475
1229a3a4b0
1317c40039
14d5dc2c4
158d224e3
hex606c144

101105988 has 24 divisors (see below), whose sum is σ = 239238720. Its totient is φ = 33227040.

The previous prime is 101105981. The next prime is 101106013. The reversal of 101105988 is 889501101.

It is a super-2 number, since 2×1011059882 = 20444841618912288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101105981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58483 + ... + 60186.

It is an arithmetic number, because the mean of its divisors is an integer number (9968280).

Almost surely, 2101105988 is an apocalyptic number.

It is an amenable number.

101105988 is an abundant number, since it is smaller than the sum of its proper divisors (138132732).

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

101105988 is a wasteful number, since it uses less digits than its factorization.

101105988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118747 (or 118745 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 101105988 is about 10055.1473385525. The cubic root of 101105988 is about 465.8637938727.

The spelling of 101105988 in words is "one hundred one million, one hundred five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 118669 237338 356007 474676 712014 1424028 8425499 16850998 25276497 33701996 50552994 101105988