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3880921830 = 235413155221
BaseRepresentation
bin1110011101010010…
…0010101011100110
3101000110122020220120
43213110202223212
530422003444310
61441033342410
7165113201622
oct34724425346
911013566816
103880921830
111711752015
12903867a06
1349b05b266
1428b5d8182
1517aaa2b70
hexe7522ae6

3880921830 has 32 divisors (see below), whose sum is σ = 9541391328. Its totient is φ = 1009670400.

The previous prime is 3880921801. The next prime is 3880921843. The reversal of 3880921830 is 381290883.

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, 1576381 + ... + 1578840.

It is an arithmetic number, because the mean of its divisors is an integer number (298168479).

Almost surely, 23880921830 is an apocalyptic number.

3880921830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3880921830 is an abundant number, since it is smaller than the sum of its proper divisors (5660469498).

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

3880921830 is a wasteful number, since it uses less digits than its factorization.

3880921830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155272.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 3880921830 is about 62297.0451145157. The cubic root of 3880921830 is about 1571.4900360413.

The spelling of 3880921830 in words is "three billion, eight hundred eighty million, nine hundred twenty-one thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 41 82 123 205 246 410 615 1230 3155221 6310442 9465663 15776105 18931326 31552210 47328315 94656630 129364061 258728122 388092183 646820305 776184366 1293640610 1940460915 3880921830