Search a number
-
+
42953407 = 717360953
BaseRepresentation
bin1010001111011…
…0101010111111
32222211020222221
42203312222333
541444002112
64132350211
71031045410
oct243665277
988736887
1042953407
1122278592
1212475367
138b8bc23
1459c1807
153b86e07
hex28f6abf

42953407 has 8 divisors (see below), whose sum is σ = 51977376. Its totient is φ = 34651392.

The previous prime is 42953401. The next prime is 42953453. The reversal of 42953407 is 70435924.

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

It is a cyclic number.

It is not a de Polignac number, because 42953407 - 23 = 42953399 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 (42953401) 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 7 ways as a sum of consecutive naturals, for example, 180358 + ... + 180595.

It is an arithmetic number, because the mean of its divisors is an integer number (6497172).

Almost surely, 242953407 is an apocalyptic number.

42953407 is a deficient number, since it is larger than the sum of its proper divisors (9023969).

42953407 is a wasteful number, since it uses less digits than its factorization.

42953407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360977.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 42953407 is about 6553.8848784519. The cubic root of 42953407 is about 350.2132224580.

The spelling of 42953407 in words is "forty-two million, nine hundred fifty-three thousand, four hundred seven".

Divisors: 1 7 17 119 360953 2526671 6136201 42953407