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61450 = 2521229
BaseRepresentation
bin1111000000001010
310010021221
433000022
53431300
61152254
7344104
oct170012
9103257
1061450
1142194
122b68a
1321c7c
1418574
151331a
hexf00a

61450 has 12 divisors (see below), whose sum is σ = 114390. Its totient is φ = 24560.

The previous prime is 61441. The next prime is 61463. The reversal of 61450 is 5416.

It can be written as a sum of positive squares in 3 ways, for example, as 59049 + 2401 = 243^2 + 49^2 .

It is a super-2 number, since 2×614502 = 7552205000, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 565 + ... + 664.

261450 is an apocalyptic number.

61450 is a deficient number, since it is larger than the sum of its proper divisors (52940).

61450 is a wasteful number, since it uses less digits than its factorization.

61450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 61450 is about 247.8911051248. The cubic root of 61450 is about 39.4615338822.

Adding to 61450 its reverse (5416), we get a palindrome (66866).

The spelling of 61450 in words is "sixty-one thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 1229 2458 6145 12290 30725 61450