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1534031020 = 225438872011
BaseRepresentation
bin101101101101111…
…0111010010101100
310221220112211221201
41123123313102230
511120202443040
6412115335244
753005022434
oct13333672254
93856484851
101534031020
11717a14235
123698b1524
131b5a78c82
14107a412c4
158ea1ca9a
hex5b6f74ac

1534031020 has 48 divisors (see below), whose sum is σ = 3301740288. Its totient is φ = 598368960.

The previous prime is 1534031003. The next prime is 1534031033. The reversal of 1534031020 is 201304351.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761815 + ... + 763825.

It is an arithmetic number, because the mean of its divisors is an integer number (68786256).

Almost surely, 21534031020 is an apocalyptic number.

1534031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1534031020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1650870144).

1534031020 is an abundant number, since it is smaller than the sum of its proper divisors (1767709268).

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

1534031020 is a wasteful number, since it uses less digits than its factorization.

1534031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2948 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1534031020 is about 39166.7080567157. The cubic root of 1534031020 is about 1153.3064314469.

Adding to 1534031020 its reverse (201304351), we get a palindrome (1735335371).

It can be divided in two parts, 15340 and 31020, that added together give a triangular number (46360 = T304).

The spelling of 1534031020 in words is "one billion, five hundred thirty-four million, thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 887 1774 2011 3548 4022 4435 8044 8870 10055 17740 20110 38141 40220 76282 86473 152564 172946 190705 345892 381410 432365 762820 864730 1729460 1783757 3567514 7135028 8918785 17837570 35675140 76701551 153403102 306806204 383507755 767015510 1534031020