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1634856054 = 231323911291
BaseRepresentation
bin110000101110001…
…1110110001110110
311012221021021220020
41201130132301312
511322010343204
6430120350010
755341022116
oct14134366166
94187237806
101634856054
11769919607
12397615306
1320091b160
141171a9046
15987d6bd9
hex6171ec76

1634856054 has 32 divisors (see below), whose sum is σ = 3674329344. Its totient is φ = 481161120.

The previous prime is 1634856023. The next prime is 1634856061. The reversal of 1634856054 is 4506584361.

It is a junction number, because it is equal to n+sod(n) for n = 1634855997 and 1634856015.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 453852 + ... + 457439.

It is an arithmetic number, because the mean of its divisors is an integer number (114822792).

Almost surely, 21634856054 is an apocalyptic number.

1634856054 is an abundant number, since it is smaller than the sum of its proper divisors (2039473290).

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

1634856054 is a wasteful number, since it uses less digits than its factorization.

1634856054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911332.

The product of its (nonzero) digits is 345600, while the sum is 42.

The square root of 1634856054 is about 40433.3532371482. The cubic root of 1634856054 is about 1178.0394653960.

The spelling of 1634856054 in words is "one billion, six hundred thirty-four million, eight hundred fifty-six thousand, fifty-four".

Divisors: 1 2 3 6 13 23 26 39 46 69 78 138 299 598 897 1794 911291 1822582 2733873 5467746 11846783 20959693 23693566 35540349 41919386 62879079 71080698 125758158 272476009 544952018 817428027 1634856054