Search a number
-
+
61234142 = 2232295813
BaseRepresentation
bin1110100110010…
…1101111011110
311021020000110012
43221211233132
5111133443032
610024243222
71342324124
oct351455736
9137200405
1061234142
1131624132
1218610512
13c8bc928
1481bd914
1555986b2
hex3a65bde

61234142 has 16 divisors (see below), whose sum is σ = 96279840. Its totient is φ = 29152992.

The previous prime is 61234141. The next prime is 61234157. The reversal of 61234142 is 24143216.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61234141) 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, 7628 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (6017490).

Almost surely, 261234142 is an apocalyptic number.

61234142 is a deficient number, since it is larger than the sum of its proper divisors (35045698).

61234142 is a wasteful number, since it uses less digits than its factorization.

61234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067.

The product of its digits is 1152, while the sum is 23.

The square root of 61234142 is about 7825.2247252076. The cubic root of 61234142 is about 394.1527360972.

Adding to 61234142 its reverse (24143216), we get a palindrome (85377358).

The spelling of 61234142 in words is "sixty-one million, two hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 23 46 229 458 5267 5813 10534 11626 133699 267398 1331177 2662354 30617071 61234142