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16244961 = 331374721
BaseRepresentation
bin111101111110…
…000011100001
31010120022220020
4331332003201
513124314321
61340104053
7255036255
oct75760341
933508806
1016244961
119196097
125535029
13349a205
14222c265
15165d4c6
hexf7e0e1

16244961 has 16 divisors (see below), whose sum is σ = 22967808. Its totient is φ = 10195200.

The previous prime is 16244957. The next prime is 16244983. The reversal of 16244961 is 16944261.

It is not a de Polignac number, because 16244961 - 22 = 16244957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16244461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081 + ... + 5801.

It is an arithmetic number, because the mean of its divisors is an integer number (1435488).

Almost surely, 216244961 is an apocalyptic number.

It is an amenable number.

16244961 is a deficient number, since it is larger than the sum of its proper divisors (6722847).

16244961 is a wasteful number, since it uses less digits than its factorization.

16244961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4792.

The product of its digits is 10368, while the sum is 33.

The square root of 16244961 is about 4030.5038146614. The cubic root of 16244961 is about 253.2636671703.

It can be divided in two parts, 16244 and 961, that added together give a triangular number (17205 = T185).

The spelling of 16244961 in words is "sixteen million, two hundred forty-four thousand, nine hundred sixty-one".

Divisors: 1 3 31 37 93 111 1147 3441 4721 14163 146351 174677 439053 524031 5414987 16244961