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404962089 = 37432771619
BaseRepresentation
bin11000001000110…
…011101100101001
31001020000012112220
4120020303230221
51312132241324
6104103424253
713015056330
oct3010635451
91036005486
10404962089
11198655014
12b3755089
1365b8b04c
143bad6d17
1525843b79
hex18233b29

404962089 has 32 divisors (see below), whose sum is σ = 634106880. Its totient is φ = 225070272.

The previous prime is 404962087. The next prime is 404962091. The reversal of 404962089 is 980269404.

It is an interprime number because it is at equal distance from previous prime (404962087) and next prime (404962091).

It is not a de Polignac number, because 404962089 - 21 = 404962087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404962089.

It is not an unprimeable number, because it can be changed into a prime (404962087) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 249322 + ... + 250940.

It is an arithmetic number, because the mean of its divisors is an integer number (19815840).

Almost surely, 2404962089 is an apocalyptic number.

It is an amenable number.

404962089 is a deficient number, since it is larger than the sum of its proper divisors (229144791).

404962089 is a wasteful number, since it uses less digits than its factorization.

404962089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1949.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 404962089 is about 20123.6698690870. The cubic root of 404962089 is about 739.8405360069.

The spelling of 404962089 in words is "four hundred four million, nine hundred sixty-two thousand, eighty-nine".

Divisors: 1 3 7 21 43 129 277 301 831 903 1619 1939 4857 5817 11333 11911 33999 35733 69617 83377 208851 250131 448463 487319 1345389 1461957 3139241 9417723 19283909 57851727 134987363 404962089