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3858235220 = 225728397381
BaseRepresentation
bin1110010111110111…
…1111111101010100
3100221212221122201202
43211331333331110
530400202011340
61434503212032
7164416313120
oct34575777524
910855848652
103858235220
1116aa967254
128b8147018
13496447028
142885b0580
15178ac0c15
hexe5f7ff54

3858235220 has 48 divisors (see below), whose sum is σ = 9292579968. Its totient is φ = 1318135680.

The previous prime is 3858235207. The next prime is 3858235261. The reversal of 3858235220 is 225328583.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9071 + ... + 88310.

It is an arithmetic number, because the mean of its divisors is an integer number (193595416).

Almost surely, 23858235220 is an apocalyptic number.

It is an amenable number.

3858235220 is an abundant number, since it is smaller than the sum of its proper divisors (5434344748).

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

3858235220 is a wasteful number, since it uses less digits than its factorization.

3858235220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97680 (or 97678 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 3858235220 is about 62114.6940747517. The cubic root of 3858235220 is about 1568.4219095148.

The spelling of 3858235220 in words is "three billion, eight hundred fifty-eight million, two hundred thirty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 283 566 1132 1415 1981 2830 3962 5660 7924 9905 19810 39620 97381 194762 389524 486905 681667 973810 1363334 1947620 2726668 3408335 6816670 13633340 27558823 55117646 110235292 137794115 192911761 275588230 385823522 551176460 771647044 964558805 1929117610 3858235220