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108405740 = 22518712897
BaseRepresentation
bin1100111011000…
…10001111101100
321112222120201102
412131202033230
5210222440430
614431302232
72454301502
oct635421754
9245876642
10108405740
1156212923
123037a978
13195c7811
141057c672
1597b5345
hex67623ec

108405740 has 24 divisors (see below), whose sum is σ = 227852352. Its totient is φ = 43324160.

The previous prime is 108405733. The next prime is 108405757. The reversal of 108405740 is 47504801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35972 + ... + 38868.

It is an arithmetic number, because the mean of its divisors is an integer number (9493848).

Almost surely, 2108405740 is an apocalyptic number.

108405740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108405740 is an abundant number, since it is smaller than the sum of its proper divisors (119446612).

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

108405740 is a wasteful number, since it uses less digits than its factorization.

108405740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4777 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 108405740 is about 10411.8077200840. The cubic root of 108405740 is about 476.8159333876.

The spelling of 108405740 in words is "one hundred eight million, four hundred five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1871 2897 3742 5794 7484 9355 11588 14485 18710 28970 37420 57940 5420287 10840574 21681148 27101435 54202870 108405740