Search a number
-
+
61305246 = 23229117443
BaseRepresentation
bin1110100111011…
…1000110011110
311021100121222200
43221313012132
5111143231441
610025552330
71343041332
oct351670636
9137317880
1061305246
11316725a2
12186456a6
13c9160c2
1481db7c2
1555ae7b6
hex3a7719e

61305246 has 24 divisors (see below), whose sum is σ = 137409480. Its totient is φ = 19730256.

The previous prime is 61305239. The next prime is 61305271. The reversal of 61305246 is 64250316.

61305246 is a `hidden beast` number, since 6 + 130 + 524 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58200 + ... + 59243.

It is an arithmetic number, because the mean of its divisors is an integer number (5725395).

Almost surely, 261305246 is an apocalyptic number.

61305246 is an abundant number, since it is smaller than the sum of its proper divisors (76104234).

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

61305246 is a wasteful number, since it uses less digits than its factorization.

61305246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117480 (or 117477 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61305246 is about 7829.7666631899. The cubic root of 61305246 is about 394.3052381412.

The spelling of 61305246 in words is "sixty-one million, three hundred five thousand, two hundred forty-six".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 117443 234886 352329 704658 1056987 2113974 3405847 6811694 10217541 20435082 30652623 61305246