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61283292 = 22376710889
BaseRepresentation
bin1110100111000…
…1101111011100
311021022111212120
43221301233130
5111142031132
610025302540
71342620330
oct351615734
9137274776
1061283292
1131658054
1218634a50
13c909105
1481d37c0
1555a802c
hex3a71bdc

61283292 has 48 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 17246592.

The previous prime is 61283279. The next prime is 61283297. The reversal of 61283292 is 29238216.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61283297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (3455760).

Almost surely, 261283292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61283292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82938240).

61283292 is an abundant number, since it is smaller than the sum of its proper divisors (104593188).

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

61283292 is a wasteful number, since it uses less digits than its factorization.

61283292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10970 (or 10968 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 61283292 is about 7828.3645801662. The cubic root of 61283292 is about 394.2581643516.

The spelling of 61283292 in words is "sixty-one million, two hundred eighty-three thousand, two hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 67 84 134 201 268 402 469 804 938 1407 1876 2814 5628 10889 21778 32667 43556 65334 76223 130668 152446 228669 304892 457338 729563 914676 1459126 2188689 2918252 4377378 5106941 8754756 10213882 15320823 20427764 30641646 61283292