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1024340420 = 2252313031709
BaseRepresentation
bin111101000011100…
…011000111000100
32122101110212220002
4331003203013010
54044212343140
6245351100432
734245515135
oct7503430704
92571425802
101024340420
11486239134
12247071718
131342b00bc
149a085c8c
155eddd415
hex3d0e31c4

1024340420 has 48 divisors (see below), whose sum is σ = 2247678720. Its totient is φ = 391391616.

The previous prime is 1024340413. The next prime is 1024340431. The reversal of 1024340420 is 240434201.

1024340420 is digitally balanced in base 6, because in such base 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 1024340392 and 1024340401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 598526 + ... + 600234.

It is an arithmetic number, because the mean of its divisors is an integer number (46826640).

Almost surely, 21024340420 is an apocalyptic number.

1024340420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024340420 is an abundant number, since it is smaller than the sum of its proper divisors (1223338300).

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

1024340420 is a wasteful number, since it uses less digits than its factorization.

1024340420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044 (or 3042 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1024340420 is about 32005.3186205043. The cubic root of 1024340420 is about 1008.0485208545.

Adding to 1024340420 its reverse (240434201), we get a palindrome (1264774621).

The spelling of 1024340420 in words is "one billion, twenty-four million, three hundred forty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1303 1709 2606 3418 5212 6515 6836 8545 13030 17090 26060 29969 34180 39307 59938 78614 119876 149845 157228 196535 299690 393070 599380 786140 2226827 4453654 8907308 11134135 22268270 44536540 51217021 102434042 204868084 256085105 512170210 1024340420