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2106904344 = 233471867823
BaseRepresentation
bin111110110010100…
…1100111100011000
312102211111211102020
41331211030330120
513303331414334
6545022134440
7103132251156
oct17545147430
95384454366
102106904344
11991324466
124a9721420
1327766767c
1415db663d6
15c4e7ce49
hex7d94cf18

2106904344 has 32 divisors (see below), whose sum is σ = 5379333120. Its totient is φ = 687358496.

The previous prime is 2106904343. The next prime is 2106904369. The reversal of 2106904344 is 4434096012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106904343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 932784 + ... + 935039.

It is an arithmetic number, because the mean of its divisors is an integer number (168104160).

Almost surely, 22106904344 is an apocalyptic number.

2106904344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2106904344 is an abundant number, since it is smaller than the sum of its proper divisors (3272428776).

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

2106904344 is a wasteful number, since it uses less digits than its factorization.

2106904344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867879 (or 1867875 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 2106904344 is about 45901.0277009132. The cubic root of 2106904344 is about 1281.9810518169.

The spelling of 2106904344 in words is "two billion, one hundred six million, nine hundred four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 282 376 564 1128 1867823 3735646 5603469 7471292 11206938 14942584 22413876 44827752 87787681 175575362 263363043 351150724 526726086 702301448 1053452172 2106904344