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106839984 = 2432225833
BaseRepresentation
bin1100101111000…
…11111110110000
321110001000220110
412113203332300
5204322334414
614333541320
72435060556
oct627437660
9243030813
10106839984
1155343509
122b944840
1319199c34
1410291bd6
1595a6459
hex65e3fb0

106839984 has 20 divisors (see below), whose sum is σ = 276003416. Its totient is φ = 35613312.

The previous prime is 106839959. The next prime is 106839989. The reversal of 106839984 is 489938601.

It is a super-2 number, since 2×1068399842 = 22829564362240512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 2225833 = 106839984 / (1 + 0 + 6 + 8 + 3 + 9 + 9 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (106839989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112869 + ... + 1112964.

Almost surely, 2106839984 is an apocalyptic number.

It is an amenable number.

106839984 is an abundant number, since it is smaller than the sum of its proper divisors (169163432).

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

106839984 is a wasteful number, since it uses less digits than its factorization.

106839984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225844 (or 2225838 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 106839984 is about 10336.3428735699. The cubic root of 106839984 is about 474.5091646289.

The spelling of 106839984 in words is "one hundred six million, eight hundred thirty-nine thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 16 24 48 2225833 4451666 6677499 8903332 13354998 17806664 26709996 35613328 53419992 106839984