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61216006 = 2221313831
BaseRepresentation
bin1110100110000…
…1010100000110
311021012002120111
43221201110012
5111132403011
610024023234
71342220215
oct351412406
9137162514
1061216006
1131611545
1218601b1a
13c8b45b7
1481b707c
155593121
hex3a61506

61216006 has 8 divisors (see below), whose sum is σ = 91872144. Its totient is φ = 30591960.

The previous prime is 61215991. The next prime is 61216033. The reversal of 61216006 is 60061216.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2490 + ... + 11341.

It is an arithmetic number, because the mean of its divisors is an integer number (11484018).

Almost surely, 261216006 is an apocalyptic number.

61216006 is a deficient number, since it is larger than the sum of its proper divisors (30656138).

61216006 is a wasteful number, since it uses less digits than its factorization.

61216006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16046.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 61216006 is about 7824.0658228315. The cubic root of 61216006 is about 394.1138195733.

The spelling of 61216006 in words is "sixty-one million, two hundred sixteen thousand, six".

Divisors: 1 2 2213 4426 13831 27662 30608003 61216006