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61321482 = 2331767997
BaseRepresentation
bin1110100111101…
…1000100001010
311021101110021000
43221323010022
5111144241412
610030155430
71343136555
oct351730412
9137343230
1061321482
1131683812
1218652b76
13c920601
14820369c
1555b44dc
hex3a7b10a

61321482 has 64 divisors (see below), whose sum is σ = 146586240. Its totient is φ = 18931968.

The previous prime is 61321471. The next prime is 61321489. The reversal of 61321482 is 28412316.

61321482 is a `hidden beast` number, since 613 + 2 + 1 + 48 + 2 = 666.

61321482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61321489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61008 + ... + 62004.

It is an arithmetic number, because the mean of its divisors is an integer number (2290410).

Almost surely, 261321482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61321482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73293120).

61321482 is an abundant number, since it is smaller than the sum of its proper divisors (85264758).

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

61321482 is a wasteful number, since it uses less digits than its factorization.

61321482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1086 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 61321482 is about 7830.8034070586. The cubic root of 61321482 is about 394.3400441607.

Adding to 61321482 its reverse (28412316), we get a palindrome (89733798).

The spelling of 61321482 in words is "sixty-one million, three hundred twenty-one thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 67 102 134 153 201 306 402 459 603 918 997 1139 1206 1809 1994 2278 2991 3417 3618 5982 6834 8973 10251 16949 17946 20502 26919 30753 33898 50847 53838 61506 66799 101694 133598 152541 200397 305082 400794 457623 601191 915246 1135583 1202382 1803573 2271166 3406749 3607146 6813498 10220247 20440494 30660741 61321482