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1404121230 = 23453494967
BaseRepresentation
bin101001110110001…
…0011000010001110
310121212002202020000
41103230103002032
510333423334410
6351155105130
746536555621
oct12354230216
93555082200
101404121230
11660654076
123322a21a6
13194b92585
14d46a5db8
158340adc0
hex53b1308e

1404121230 has 80 divisors (see below), whose sum is σ = 3787106400. Its totient is φ = 373284288.

The previous prime is 1404121151. The next prime is 1404121247. The reversal of 1404121230 is 321214041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 280207 + ... + 285173.

It is an arithmetic number, because the mean of its divisors is an integer number (47338830).

Almost surely, 21404121230 is an apocalyptic number.

1404121230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404121230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1893553200).

1404121230 is an abundant number, since it is smaller than the sum of its proper divisors (2382985170).

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

1404121230 is a wasteful number, since it uses less digits than its factorization.

1404121230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5335 (or 5326 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1404121230 is about 37471.6056501453. The cubic root of 1404121230 is about 1119.7855749159.

Adding to 1404121230 its reverse (321214041), we get a palindrome (1725335271).

The spelling of 1404121230 in words is "one billion, four hundred four million, one hundred twenty-one thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 349 405 698 810 1047 1745 2094 3141 3490 4967 5235 6282 9423 9934 10470 14901 15705 18846 24835 28269 29802 31410 44703 47115 49670 56538 74505 89406 94230 134109 141345 149010 223515 268218 282690 402327 447030 670545 804654 1341090 1733483 2011635 3466966 4023270 5200449 8667415 10400898 15601347 17334830 26002245 31202694 46804041 52004490 78006735 93608082 140412123 156013470 234020205 280824246 468040410 702060615 1404121230