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404130551 = 11196131699
BaseRepresentation
bin11000000101101…
…000101011110111
31001011102221220012
4120011220223313
51311424134201
6104033530435
713005024116
oct3005505367
91034387805
10404130551
111981372a0
12b3413a1b
1365959706
143b95bc7d
152572c5bb
hex18168af7

404130551 has 16 divisors (see below), whose sum is σ = 471696000. Its totient is φ = 342338400.

The previous prime is 404130527. The next prime is 404130611. The reversal of 404130551 is 155031404.

It is a cyclic number.

It is not a de Polignac number, because 404130551 - 214 = 404114167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404130521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3101 + ... + 28598.

It is an arithmetic number, because the mean of its divisors is an integer number (29481000).

Almost surely, 2404130551 is an apocalyptic number.

404130551 is a deficient number, since it is larger than the sum of its proper divisors (67565449).

404130551 is a wasteful number, since it uses less digits than its factorization.

404130551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31790.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 404130551 is about 20102.9985574292. The cubic root of 404130551 is about 739.3337996157. Note that the first 3 decimals are identical.

Adding to 404130551 its reverse (155031404), we get a palindrome (559161955).

The spelling of 404130551 in words is "four hundred four million, one hundred thirty thousand, five hundred fifty-one".

Divisors: 1 11 19 61 209 671 1159 12749 31699 348689 602281 1933639 6625091 21270029 36739141 404130551