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1230453000 = 233253719531
BaseRepresentation
bin100100101010111…
…0011100100001000
310011202022111012100
41021111303210020
510004443444000
6322032513400
742330451350
oct11125634410
93152274170
101230453000
11581616607
122a40ab860
13167bc76ca
14b95b9b60
1573053a00
hex49573908

1230453000 has 192 divisors, whose sum is σ = 4753307520. Its totient is φ = 281232000.

The previous prime is 1230452987. The next prime is 1230453017. The reversal of 1230453000 is 3540321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53235 + ... + 72765.

It is an arithmetic number, because the mean of its divisors is an integer number (24756810).

Almost surely, 21230453000 is an apocalyptic number.

1230453000 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 1230453000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2376653760).

1230453000 is an abundant number, since it is smaller than the sum of its proper divisors (3522854520).

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

1230453000 is a wasteful number, since it uses less digits than its factorization.

1230453000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19565 (or 19548 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1230453000 is about 35077.8135008441. The cubic root of 1230453000 is about 1071.5727882063.

Adding to 1230453000 its reverse (3540321), we get a palindrome (1233993321).

The spelling of 1230453000 in words is "one billion, two hundred thirty million, four hundred fifty-three thousand".