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16740045 = 3257192797
BaseRepresentation
bin111111110110…
…111011001101
31011111111000200
4333312323031
513241140140
61354444113
7262200540
oct77667315
934444020
1016740045
1194a4053
125733639
13361166a
14231a857
15170a030
hexff6ecd

16740045 has 48 divisors (see below), whose sum is σ = 34919040. Its totient is φ = 7247232.

The previous prime is 16740041. The next prime is 16740049. The reversal of 16740045 is 54004761.

It is an interprime number because it is at equal distance from previous prime (16740041) and next prime (16740049).

It is not a de Polignac number, because 16740045 - 22 = 16740041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16740041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4587 + ... + 7383.

It is an arithmetic number, because the mean of its divisors is an integer number (727480).

Almost surely, 216740045 is an apocalyptic number.

16740045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16740045 is an abundant number, since it is smaller than the sum of its proper divisors (18178995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16740045 is a wasteful number, since it uses less digits than its factorization.

16740045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 16740045 is about 4091.4600083589. The cubic root of 16740045 is about 255.8107987192.

The spelling of 16740045 in words is "sixteen million, seven hundred forty thousand, forty-five".

Divisors: 1 3 5 7 9 15 19 21 35 45 57 63 95 105 133 171 285 315 399 665 855 1197 1995 2797 5985 8391 13985 19579 25173 41955 53143 58737 97895 125865 159429 176211 265715 293685 372001 478287 797145 881055 1116003 1860005 2391435 3348009 5580015 16740045