Search a number
-
+
2104020530 = 253143157841
BaseRepresentation
bin111110101101000…
…1100111000110010
312102122002022120022
41331122030320302
513302112124110
6544440243442
7103065610433
oct17532147062
95378068508
102104020530
1198a734847
124a8770582
13276b97b81
1415d61548a
15c4aad755
hex7d68ce32

2104020530 has 32 divisors (see below), whose sum is σ = 4000347648. Its totient is φ = 795513600.

The previous prime is 2104020511. The next prime is 2104020547. The reversal of 2104020530 is 350204012.

It is a super-2 number, since 2×21040205302 = 8853804781322961800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2104020499 and 2104020508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65591 + ... + 92250.

It is an arithmetic number, because the mean of its divisors is an integer number (125010864).

Almost surely, 22104020530 is an apocalyptic number.

2104020530 is a deficient number, since it is larger than the sum of its proper divisors (1896327118).

2104020530 is a wasteful number, since it uses less digits than its factorization.

2104020530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157922.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2104020530 is about 45869.6035518076. The cubic root of 2104020530 is about 1281.3958831948.

Adding to 2104020530 its reverse (350204012), we get a palindrome (2454224542).

The spelling of 2104020530 in words is "two billion, one hundred four million, twenty thousand, five hundred thirty".

Divisors: 1 2 5 10 31 43 62 86 155 215 310 430 1333 2666 6665 13330 157841 315682 789205 1578410 4893071 6787163 9786142 13574326 24465355 33935815 48930710 67871630 210402053 420804106 1052010265 2104020530