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160404429 = 3127421009
BaseRepresentation
bin10011000111110…
…01001111001101
3102011211101111210
421203321033031
5312030420204
623530005033
73655262253
oct1143711715
9364741453
10160404429
11825a9249
1245876779
1327302883
14174365d3
15e137389
hex98f93cd

160404429 has 8 divisors (see below), whose sum is σ = 215557120. Its totient is φ = 106094016.

The previous prime is 160404397. The next prime is 160404443. The reversal of 160404429 is 924404061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 160404429 - 25 = 160404397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160404396 and 160404405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160404229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210124 + ... + 210885.

It is an arithmetic number, because the mean of its divisors is an integer number (26944640).

Almost surely, 2160404429 is an apocalyptic number.

It is an amenable number.

160404429 is a deficient number, since it is larger than the sum of its proper divisors (55152691).

160404429 is a wasteful number, since it uses less digits than its factorization.

160404429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421139.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 160404429 is about 12665.0870111500. The cubic root of 160404429 is about 543.3405506295.

The spelling of 160404429 in words is "one hundred sixty million, four hundred four thousand, four hundred twenty-nine".

Divisors: 1 3 127 381 421009 1263027 53468143 160404429