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61007316 = 22323474703
BaseRepresentation
bin1110100010111…
…0010111010100
311020210111022020
43220232113110
5111104213231
610015333140
71340360616
oct350562724
9136714266
1061007316
1131489777
12185211b0
13c840606
148160db6
155551396
hex3a2e5d4

61007316 has 48 divisors (see below), whose sum is σ = 151732224. Its totient is φ = 19033696.

The previous prime is 61007299. The next prime is 61007327. The reversal of 61007316 is 61370016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10621 + ... + 15323.

It is an arithmetic number, because the mean of its divisors is an integer number (3161088).

Almost surely, 261007316 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 61007316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75866112).

61007316 is an abundant number, since it is smaller than the sum of its proper divisors (90724908).

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

61007316 is a wasteful number, since it uses less digits than its factorization.

61007316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4778 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 61007316 is about 7810.7180207712. The cubic root of 61007316 is about 393.6654550655.

The spelling of 61007316 in words is "sixty-one million, seven thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 23 46 47 69 92 94 138 141 188 276 282 564 1081 2162 3243 4324 4703 6486 9406 12972 14109 18812 28218 56436 108169 216338 221041 324507 432676 442082 649014 663123 884164 1298028 1326246 2652492 5083943 10167886 15251829 20335772 30503658 61007316