Search a number
-
+
42829477 = 1719971367
BaseRepresentation
bin1010001101100…
…0011010100101
32222120221222221
42203120122211
541431020402
64125552341
71030021165
oct243303245
988527887
1042829477
11221a3469
12124156b1
138b476b2
14598c5a5
153b60337
hex28d86a5

42829477 has 16 divisors (see below), whose sum is σ = 48263040. Its totient is φ = 37767168.

The previous prime is 42829471. The next prime is 42829499. The reversal of 42829477 is 77492824.

It is a cyclic number.

It is not a de Polignac number, because 42829477 - 23 = 42829469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42829471) 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, 30648 + ... + 32014.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 242829477 is an apocalyptic number.

It is an amenable number.

42829477 is a deficient number, since it is larger than the sum of its proper divisors (5433563).

42829477 is a wasteful number, since it uses less digits than its factorization.

42829477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500.

The product of its digits is 225792, while the sum is 43.

The square root of 42829477 is about 6544.4233512205. The cubic root of 42829477 is about 349.8760840244.

The spelling of 42829477 in words is "forty-two million, eight hundred twenty-nine thousand, four hundred seventy-seven".

Divisors: 1 17 19 97 323 1367 1649 1843 23239 25973 31331 132599 441541 2254183 2519381 42829477