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3839885490 = 235722612167
BaseRepresentation
bin1110010011100000…
…0000000010110010
3100220121102101122010
43210320000002302
530331002313430
61433010023350
7164104326300
oct34470000262
910817371563
103839885490
1116a0573891
128b1b77b56
134926c0abc
14285d95270
15177198cb0
hexe4e000b2

3839885490 has 48 divisors (see below), whose sum is σ = 10720337472. Its totient is φ = 877687776.

The previous prime is 3839885473. The next prime is 3839885521. The reversal of 3839885490 is 945889383.

It is a self number, because there is not a number n which added to its sum of digits gives 3839885490.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1304614 + ... + 1307553.

It is an arithmetic number, because the mean of its divisors is an integer number (223340364).

Almost surely, 23839885490 is an apocalyptic number.

3839885490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3839885490 is an abundant number, since it is smaller than the sum of its proper divisors (6880451982).

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

3839885490 is a wasteful number, since it uses less digits than its factorization.

3839885490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612191 (or 2612184 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The square root of 3839885490 is about 61966.8095838409. The cubic root of 3839885490 is about 1565.9314906360.

The spelling of 3839885490 in words is "three billion, eight hundred thirty-nine million, eight hundred eighty-five thousand, four hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 2612167 5224334 7836501 13060835 15673002 18285169 26121670 36570338 39182505 54855507 78365010 91425845 109711014 127996183 182851690 255992366 274277535 383988549 548555070 639980915 767977098 1279961830 1919942745 3839885490