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3870379830 = 235267748193
BaseRepresentation
bin1110011010110001…
…0100111100110110
3100222201210200000010
43212230110330312
530411304123310
61440015401050
7164624454132
oct34654247466
910881720003
103870379830
111706801719
12900223186
13498b09aa5
1428a0523c2
15179bbe320
hexe6b14f36

3870379830 has 32 divisors (see below), whose sum is σ = 9292574304. Its totient is φ = 1031694336.

The previous prime is 3870379813. The next prime is 3870379841. The reversal of 3870379830 is 389730783.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3870379830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56214 + ... + 104406.

It is an arithmetic number, because the mean of its divisors is an integer number (290392947).

Almost surely, 23870379830 is an apocalyptic number.

3870379830 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3870379830 is an abundant number, since it is smaller than the sum of its proper divisors (5422194474).

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

3870379830 is a wasteful number, since it uses less digits than its factorization.

3870379830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50880.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 3870379830 is about 62212.3768232656. The cubic root of 3870379830 is about 1570.0658322295.

The spelling of 3870379830 in words is "three billion, eight hundred seventy million, three hundred seventy-nine thousand, eight hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2677 5354 8031 13385 16062 26770 40155 48193 80310 96386 144579 240965 289158 481930 722895 1445790 129012661 258025322 387037983 645063305 774075966 1290126610 1935189915 3870379830