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16041988 = 2229413373
BaseRepresentation
bin111101001100…
…100000000100
31010012000110201
4331030200010
513101320423
61331500244
7253232434
oct75144004
933160421
1016041988
119067646
125457684
133428a01
1421b82c4
15161d2ad
hexf4c804

16041988 has 24 divisors (see below), whose sum is σ = 29758680. Its totient is φ = 7553280.

The previous prime is 16041943. The next prime is 16041989. The reversal of 16041988 is 88914061.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3211264 + 12830724 = 1792^2 + 3582^2 .

It is not an unprimeable number, because it can be changed into a prime (16041989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3070 + ... + 6442.

It is an arithmetic number, because the mean of its divisors is an integer number (1239945).

Almost surely, 216041988 is an apocalyptic number.

It is an amenable number.

16041988 is a deficient number, since it is larger than the sum of its proper divisors (13716692).

16041988 is a wasteful number, since it uses less digits than its factorization.

16041988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3447 (or 3445 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 16041988 is about 4005.2450611667. The cubic root of 16041988 is about 252.2044406321.

The spelling of 16041988 in words is "sixteen million, forty-one thousand, nine hundred eighty-eight".

Divisors: 1 2 4 29 41 58 82 116 164 1189 2378 3373 4756 6746 13492 97817 138293 195634 276586 391268 553172 4010497 8020994 16041988