Search a number
-
+
61337328 = 2431398297
BaseRepresentation
bin1110100111111…
…0111011110000
311021102020222220
43221332323300
5111200243303
610030401040
71343234013
oct351767360
9137366886
1061337328
1131694708
1218660180
13c9278a0
14820937a
1555b9053
hex3a7eef0

61337328 has 40 divisors (see below), whose sum is σ = 170645328. Its totient is φ = 18872832.

The previous prime is 61337299. The next prime is 61337333. The reversal of 61337328 is 82373316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48525 + ... + 49772.

Almost surely, 261337328 is an apocalyptic number.

It is an amenable number.

61337328 is an abundant number, since it is smaller than the sum of its proper divisors (109308000).

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

61337328 is a wasteful number, since it uses less digits than its factorization.

61337328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98321 (or 98315 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 61337328 is about 7831.8151152846. The cubic root of 61337328 is about 394.3740081918.

The spelling of 61337328 in words is "sixty-one million, three hundred thirty-seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 624 98297 196594 294891 393188 589782 786376 1179564 1277861 1572752 2359128 2555722 3833583 4718256 5111444 7667166 10222888 15334332 20445776 30668664 61337328