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429379489 = 71117331991
BaseRepresentation
bin11001100101111…
…100111110100001
31002220221201221001
4121211330332201
51334410120424
6110335032001
713432444150
oct3145747641
91086851831
10429379489
11200412190
12bb96b601
136ac5a006
1441051597
1527a68844
hex1997cfa1

429379489 has 32 divisors (see below), whose sum is σ = 569106432. Its totient is φ = 313632000.

The previous prime is 429379477. The next prime is 429379519. The reversal of 429379489 is 984973924.

It is not a de Polignac number, because 429379489 - 27 = 429379361 is a prime.

It is a super-2 number, since 2×4293794892 = 368733491147802242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (429379439) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 432784 + ... + 433774.

It is an arithmetic number, because the mean of its divisors is an integer number (17784576).

Almost surely, 2429379489 is an apocalyptic number.

It is an amenable number.

429379489 is a deficient number, since it is larger than the sum of its proper divisors (139726943).

429379489 is a wasteful number, since it uses less digits than its factorization.

429379489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its digits is 3919104, while the sum is 55.

The square root of 429379489 is about 20721.4741029686. The cubic root of 429379489 is about 754.4209931467.

The spelling of 429379489 in words is "four hundred twenty-nine million, three hundred seventy-nine thousand, four hundred eighty-nine".

Divisors: 1 7 11 17 77 119 187 331 991 1309 2317 3641 5627 6937 10901 16847 25487 39389 61897 76307 117929 185317 328021 433279 1297219 2296147 3608231 5576357 25257617 39034499 61339927 429379489