Search a number
-
+
42830379 = 324758931
BaseRepresentation
bin1010001101100…
…0101000101011
32222121000020100
42203120220223
541431033004
64130000443
71030023624
oct243305053
988530210
1042830379
11221a4109
1212416123
138b47c27
14598ca4b
153b60739
hex28d8a2b

42830379 has 6 divisors (see below), whose sum is σ = 61866116. Its totient is φ = 28553580.

The previous prime is 42830377. The next prime is 42830383. The reversal of 42830379 is 97303824.

42830379 is a `hidden beast` number, since 4 + 283 + 0 + 379 = 666.

It is not a de Polignac number, because 42830379 - 21 = 42830377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42830371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2379457 + ... + 2379474.

Almost surely, 242830379 is an apocalyptic number.

42830379 is a deficient number, since it is larger than the sum of its proper divisors (19035737).

42830379 is a wasteful number, since it uses less digits than its factorization.

42830379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758937 (or 4758934 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 42830379 is about 6544.4922644923. The cubic root of 42830379 is about 349.8785401678.

The spelling of 42830379 in words is "forty-two million, eight hundred thirty thousand, three hundred seventy-nine".

Divisors: 1 3 9 4758931 14276793 42830379