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1906698048 = 263137173419
BaseRepresentation
bin111000110100101…
…1110011101000000
311220212210022000020
41301221132131000
512401103314143
6513111053440
765151444303
oct16151363500
94825708006
101906698048
11899310512
12452671280
1324503a4c8
1414132cb3a
15b25d2883
hex71a5e740

1906698048 has 112 divisors (see below), whose sum is σ = 5123200320. Its totient is φ = 625782784.

The previous prime is 1906698037. The next prime is 1906698049. The reversal of 1906698048 is 8408966091.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906698049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4550383 + ... + 4550801.

It is an arithmetic number, because the mean of its divisors is an integer number (45742860).

Almost surely, 21906698048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1906698048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561600160).

1906698048 is an abundant number, since it is smaller than the sum of its proper divisors (3216502272).

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

1906698048 is a wasteful number, since it uses less digits than its factorization.

1906698048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 1906698048 is about 43665.7537207363. The cubic root of 1906698048 is about 1240.0160525150.

The spelling of 1906698048 in words is "one billion, nine hundred six million, six hundred ninety-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 137 173 192 274 346 411 419 519 548 692 822 838 1038 1096 1257 1384 1644 1676 2076 2192 2514 2768 3288 3352 4152 4384 5028 5536 6576 6704 8304 8768 10056 11072 13152 13408 16608 20112 23701 26304 26816 33216 40224 47402 57403 71103 72487 80448 94804 114806 142206 144974 172209 189608 217461 229612 284412 289948 344418 379216 434922 459224 568824 579896 688836 758432 869844 918448 1137648 1159792 1377672 1516864 1739688 1836896 2275296 2319584 2755344 3479376 3673792 4550592 4639168 5510688 6958752 9930719 11021376 13917504 19861438 29792157 39722876 59584314 79445752 119168628 158891504 238337256 317783008 476674512 635566016 953349024 1906698048