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1530085200 = 243527199587
BaseRepresentation
bin101101100110011…
…0011111101010000
310221122010101022020
41123030303331100
511113200211300
6411455011440
752626336540
oct13314637520
93848111266
101530085200
11715769726
12368509b80
131b4cc6c77
141072d5320
158e4dd8a0
hex5b333f50

1530085200 has 240 divisors, whose sum is σ = 5897003520. Its totient is φ = 331292160.

The previous prime is 1530085199. The next prime is 1530085213. The reversal of 1530085200 is 25800351.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 154807 + ... + 164393.

It is an arithmetic number, because the mean of its divisors is an integer number (24570848).

Almost surely, 21530085200 is an apocalyptic number.

1530085200 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 1530085200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948501760).

1530085200 is an abundant number, since it is smaller than the sum of its proper divisors (4366918320).

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

1530085200 is a wasteful number, since it uses less digits than its factorization.

1530085200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634 (or 9623 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1530085200 is about 39116.3035063386. The cubic root of 1530085200 is about 1152.3167411258.

Adding to 1530085200 its reverse (25800351), we get a palindrome (1555885551).

The spelling of 1530085200 in words is "one billion, five hundred thirty million, eighty-five thousand, two hundred".