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61422345 = 325193199
BaseRepresentation
bin1110101001001…
…1101100001001
311021120120121200
43222103230021
5111211003340
610032254413
71344036615
oct352235411
9137516550
1061422345
1131742576
12186a1409
13c9574aa
14822c345
1555d4330
hex3a93b09

61422345 has 48 divisors (see below), whose sum is σ = 112944000. Its totient is φ = 30878496.

The previous prime is 61422329. The next prime is 61422379. The reversal of 61422345 is 54322416.

61422345 is a `hidden beast` number, since 614 + 2 + 2 + 3 + 45 = 666.

61422345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61422345 - 24 = 61422329 is a prime.

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 47 ways as a sum of consecutive naturals, for example, 308556 + ... + 308754.

It is an arithmetic number, because the mean of its divisors is an integer number (2353000).

Almost surely, 261422345 is an apocalyptic number.

It is an amenable number.

61422345 is a deficient number, since it is larger than the sum of its proper divisors (51521655).

61422345 is a wasteful number, since it uses less digits than its factorization.

61422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 226 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 61422345 is about 7837.2409048083. The cubic root of 61422345 is about 394.5561322875.

The spelling of 61422345 in words is "sixty-one million, four hundred twenty-two thousand, three hundred forty-five".

Divisors: 1 3 5 9 15 19 45 57 95 171 199 285 361 597 855 995 1083 1791 1805 2985 3249 3781 5415 6859 8955 11343 16245 18905 20577 34029 34295 56715 61731 71839 102885 170145 215517 308655 359195 646551 1077585 1364941 3232755 4094823 6824705 12284469 20474115 61422345