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3885090930 = 23257219199233
BaseRepresentation
bin1110011110010001…
…1100100001110010
3101000202111001211200
43213210130201302
530424040402210
61441302552030
7165163504500
oct34744344162
911022431750
103885090930
11171403a356
12905138616
1349bb8aa96
1428bda1670
1517b1280c0
hexe791c872

3885090930 has 288 divisors, whose sum is σ = 12484368000. Its totient is φ = 833462784.

The previous prime is 3885090919. The next prime is 3885090943. The reversal of 3885090930 is 390905883.

3885090930 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 16674094 + ... + 16674326.

It is an arithmetic number, because the mean of its divisors is an integer number (43348500).

Almost surely, 23885090930 is an apocalyptic number.

3885090930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3885090930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6242184000).

3885090930 is an abundant number, since it is smaller than the sum of its proper divisors (8599277070).

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

3885090930 is a wasteful number, since it uses less digits than its factorization.

3885090930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 3885090930 is about 62330.4975914680. The cubic root of 3885090930 is about 1572.0525617101.

The spelling of 3885090930 in words is "three billion, eight hundred eighty-five million, ninety thousand, nine hundred thirty".