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61016842 = 2176432791
BaseRepresentation
bin1110100011000…
…0101100001010
311020210222101001
43220300230022
5111110014332
610015445214
71340430445
oct350605412
9136728331
1061016842
1131495947
121852680a
13c844a53
14816465c
1555540e7
hex3a30b0a

61016842 has 16 divisors (see below), whose sum is σ = 97094592. Its totient is φ = 28658880.

The previous prime is 61016807. The next prime is 61016843. The reversal of 61016842 is 24861016.

It is a self number, because there is not a number n which added to its sum of digits gives 61016842.

It is not an unprimeable number, because it can be changed into a prime (61016843) 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, 20467 + ... + 23257.

It is an arithmetic number, because the mean of its divisors is an integer number (6068412).

Almost surely, 261016842 is an apocalyptic number.

61016842 is a deficient number, since it is larger than the sum of its proper divisors (36077750).

61016842 is a wasteful number, since it uses less digits than its factorization.

61016842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3453.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 61016842 is about 7811.3278000606. The cubic root of 61016842 is about 393.6859436571.

Adding to 61016842 its reverse (24861016), we get a palindrome (85877858).

The spelling of 61016842 in words is "sixty-one million, sixteen thousand, eight hundred forty-two".

Divisors: 1 2 17 34 643 1286 2791 5582 10931 21862 47447 94894 1794613 3589226 30508421 61016842