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61448982 = 2371789967
BaseRepresentation
bin1110101001101…
…0001100010110
311021121221011020
43222122030112
5111212331412
610033022010
71344210360
oct352321426
9137557136
1061448982
1131760591
12186b4906
13c96665a
148237d30
1555dc18c
hex3a9a316

61448982 has 64 divisors (see below), whose sum is σ = 150543360. Its totient is φ = 16321536.

The previous prime is 61448969. The next prime is 61448987. The reversal of 61448982 is 28984416.

61448982 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 (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61448987) 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, 63063 + ... + 64029.

It is an arithmetic number, because the mean of its divisors is an integer number (2352240).

Almost surely, 261448982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61448982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75271680).

61448982 is an abundant number, since it is smaller than the sum of its proper divisors (89094378).

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

61448982 is a wasteful number, since it uses less digits than its factorization.

61448982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085.

The product of its digits is 110592, while the sum is 42.

The square root of 61448982 is about 7838.9401069277. The cubic root of 61448982 is about 394.6131597032.

The spelling of 61448982 in words is "sixty-one million, four hundred forty-eight thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 7 14 17 21 34 42 51 89 102 119 178 238 267 357 534 623 714 967 1246 1513 1869 1934 2901 3026 3738 4539 5802 6769 9078 10591 13538 16439 20307 21182 31773 32878 40614 49317 63546 86063 98634 115073 172126 230146 258189 345219 516378 602441 690438 1204882 1463071 1807323 2926142 3614646 4389213 8778426 10241497 20482994 30724491 61448982