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1530346020 = 223573643681
BaseRepresentation
bin101101100110111…
…0011101000100100
310221122121122002020
41123031303220210
511113232033040
6411504343140
752631504130
oct13315635044
93848548066
101530346020
11715927685
12368614ab0
131b50888b8
141073623c0
158e540cd0
hex5b373a24

1530346020 has 48 divisors (see below), whose sum is σ = 4897108608. Its totient is φ = 349793280.

The previous prime is 1530346003. The next prime is 1530346043. The reversal of 1530346020 is 206430351.

It is a happy number.

1530346020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 1821421 + ... + 1822260.

It is an arithmetic number, because the mean of its divisors is an integer number (102023096).

Almost surely, 21530346020 is an apocalyptic number.

1530346020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1530346020 is an abundant number, since it is smaller than the sum of its proper divisors (3366762588).

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

1530346020 is a wasteful number, since it uses less digits than its factorization.

1530346020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643700 (or 3643698 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1530346020 is about 39119.6372682570. The cubic root of 1530346020 is about 1152.3822124641.

Adding to 1530346020 its reverse (206430351), we get a palindrome (1736776371).

The spelling of 1530346020 in words is "one billion, five hundred thirty million, three hundred forty-six thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 3643681 7287362 10931043 14574724 18218405 21862086 25505767 36436810 43724172 51011534 54655215 72873620 76517301 102023068 109310430 127528835 153034602 218620860 255057670 306069204 382586505 510115340 765173010 1530346020