Search a number
-
+
42474678 = 2330723059
BaseRepresentation
bin1010001000000…
…1110010110110
32221220221022020
42202001302312
541333142203
64114214010
71024012611
oct242016266
987827266
1042474678
1121a80944
1212284306
138a5205c
1458d9178
153ae0153
hex2881cb6

42474678 has 16 divisors (see below), whose sum is σ = 85229760. Its totient is φ = 14111496.

The previous prime is 42474673. The next prime is 42474713. The reversal of 42474678 is 87647424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9688 + ... + 13371.

It is an arithmetic number, because the mean of its divisors is an integer number (5326860).

Almost surely, 242474678 is an apocalyptic number.

42474678 is an abundant number, since it is smaller than the sum of its proper divisors (42755082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42474678 is a wasteful number, since it uses less digits than its factorization.

42474678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23371.

The product of its digits is 301056, while the sum is 42.

The square root of 42474678 is about 6517.2600070889. The cubic root of 42474678 is about 348.9072804543.

The spelling of 42474678 in words is "forty-two million, four hundred seventy-four thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 307 614 921 1842 23059 46118 69177 138354 7079113 14158226 21237339 42474678