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3894285740 = 225732667319
BaseRepresentation
bin1110100000011110…
…0001010110101100
3101001101210012202012
43220013201112230
530433414120430
61442232020352
7165334611512
oct35007412654
911041705665
103894285740
11171924a574
129082316b8
134a0a59cb7
1428d2b64b2
1517bd42695
hexe81e15ac

3894285740 has 24 divisors (see below), whose sum is σ = 8290030560. Its totient is φ = 1536375168.

The previous prime is 3894285673. The next prime is 3894285743. The reversal of 3894285740 is 475824983.

It is a super-2 number, since 2×38942857402 = 30330922849534695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3894285743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332200 + ... + 1335119.

It is an arithmetic number, because the mean of its divisors is an integer number (345417940).

Almost surely, 23894285740 is an apocalyptic number.

It is an amenable number.

3894285740 is an abundant number, since it is smaller than the sum of its proper divisors (4395744820).

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

3894285740 is a wasteful number, since it uses less digits than its factorization.

3894285740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667401 (or 2667399 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 3894285740 is about 62404.2125180664. The cubic root of 3894285740 is about 1573.2917721992.

The spelling of 3894285740 in words is "three billion, eight hundred ninety-four million, two hundred eighty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 2667319 5334638 10669276 13336595 26673190 53346380 194714287 389428574 778857148 973571435 1947142870 3894285740