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61092899 = 723379459
BaseRepresentation
bin1110100100001…
…1010000100011
311020221211200222
43221003100203
5111114433044
610021233255
71341165260
oct351032043
9136854628
1061092899
1131537aaa
121856282b
13c87055a
148184267
15556b8ee
hex3a43423

61092899 has 8 divisors (see below), whose sum is σ = 72856320. Its totient is φ = 50088456.

The previous prime is 61092887. The next prime is 61092901. The reversal of 61092899 is 99829016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61092899 - 28 = 61092643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61092869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189569 + ... + 189890.

It is an arithmetic number, because the mean of its divisors is an integer number (9107040).

Almost surely, 261092899 is an apocalyptic number.

61092899 is a deficient number, since it is larger than the sum of its proper divisors (11763421).

61092899 is a wasteful number, since it uses less digits than its factorization.

61092899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379489.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 61092899 is about 7816.1946623661. The cubic root of 61092899 is about 393.8494511871.

The spelling of 61092899 in words is "sixty-one million, ninety-two thousand, eight hundred ninety-nine".

Divisors: 1 7 23 161 379459 2656213 8727557 61092899