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61354343 = 1729971283
BaseRepresentation
bin1110101000001…
…1000101100111
311021110010100002
43222003011213
5111201314333
610031011515
71343334431
oct352030547
9137403302
1061354343
11316a6476
1218669b9b
13c93255b
148211651
1555be0e8
hex3a83167

61354343 has 16 divisors (see below), whose sum is σ = 67949280. Its totient is φ = 55136256.

The previous prime is 61354339. The next prime is 61354373. The reversal of 61354343 is 34345316.

61354343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61354343 - 22 = 61354339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61354313) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 47180 + ... + 48462.

It is an arithmetic number, because the mean of its divisors is an integer number (4246830).

Almost surely, 261354343 is an apocalyptic number.

61354343 is a deficient number, since it is larger than the sum of its proper divisors (6594937).

61354343 is a wasteful number, since it uses less digits than its factorization.

61354343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 12960, while the sum is 29.

The square root of 61354343 is about 7832.9013143279. The cubic root of 61354343 is about 394.4104713244.

Adding to 61354343 its reverse (34345316), we get a palindrome (95699659).

The spelling of 61354343 in words is "sixty-one million, three hundred fifty-four thousand, three hundred forty-three".

Divisors: 1 17 29 97 493 1283 1649 2813 21811 37207 47821 124451 632519 2115667 3609079 61354343