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61365450 = 23522914107
BaseRepresentation
bin1110101000010…
…1110011001010
311021110200120110
43222011303022
5111202143300
610031135150
71343412006
oct352056312
9137420513
1061365450
1131703853
12186744b6
13c937623
148215706
1555c2550
hex3a85cca

61365450 has 48 divisors (see below), whose sum is σ = 157445280. Its totient is φ = 15798720.

The previous prime is 61365413. The next prime is 61365517. The reversal of 61365450 is 5456316.

61365450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2704 + ... + 11403.

It is an arithmetic number, because the mean of its divisors is an integer number (3280110).

Almost surely, 261365450 is an apocalyptic number.

61365450 is an abundant number, since it is smaller than the sum of its proper divisors (96079830).

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

61365450 is a wasteful number, since it uses less digits than its factorization.

61365450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14151 (or 14146 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 61365450 is about 7833.6102787923. The cubic root of 61365450 is about 394.4342699808.

The spelling of 61365450 in words is "sixty-one million, three hundred sixty-five thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 29 30 50 58 75 87 145 150 174 290 435 725 870 1450 2175 4350 14107 28214 42321 70535 84642 141070 211605 352675 409103 423210 705350 818206 1058025 1227309 2045515 2116050 2454618 4091030 6136545 10227575 12273090 20455150 30682725 61365450