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106731420 = 22351778857
BaseRepresentation
bin1100101110010…
…01011110011100
321102211111222120
412113021132130
5204310401140
614331342540
72434126215
oct627113634
9242744876
10106731420
1155279994
122b8b1a50
131915c6b3
141026440c
1595841d0
hex65c979c

106731420 has 24 divisors (see below), whose sum is σ = 298848144. Its totient is φ = 28461696.

The previous prime is 106731409. The next prime is 106731433. The reversal of 106731420 is 24137601.

It is a super-2 number, since 2×1067314202 = 22783192030432800, which contains 22 as substring.

It is a congruent number.

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, 889369 + ... + 889488.

It is an arithmetic number, because the mean of its divisors is an integer number (12452006).

Almost surely, 2106731420 is an apocalyptic number.

106731420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106731420 is an abundant number, since it is smaller than the sum of its proper divisors (192116724).

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

106731420 is a wasteful number, since it uses less digits than its factorization.

106731420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778869 (or 1778867 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 106731420 is about 10331.0899715374. The cubic root of 106731420 is about 474.3483881433.

The spelling of 106731420 in words is "one hundred six million, seven hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1778857 3557714 5336571 7115428 8894285 10673142 17788570 21346284 26682855 35577140 53365710 106731420