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16380070 = 257298069
BaseRepresentation
bin111110011111…
…000010100110
31010211012020021
4332133002212
513143130240
61343025354
7256141210
oct76370246
933735207
1016380070
119278653
12559b25a
133516865
1422655b0
15168854a
hexf9f0a6

16380070 has 32 divisors (see below), whose sum is σ = 34862400. Its totient is φ = 5421696.

The previous prime is 16380043. The next prime is 16380073. The reversal of 16380070 is 7008361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16380073) 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, 2005 + ... + 6064.

It is an arithmetic number, because the mean of its divisors is an integer number (1089450).

Almost surely, 216380070 is an apocalyptic number.

16380070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16380070 is an abundant number, since it is smaller than the sum of its proper divisors (18482330).

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

16380070 is a wasteful number, since it uses less digits than its factorization.

16380070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8112.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 16380070 is about 4047.2299168691. The cubic root of 16380070 is about 253.9638591189.

The spelling of 16380070 in words is "sixteen million, three hundred eighty thousand, seventy".

Divisors: 1 2 5 7 10 14 29 35 58 70 145 203 290 406 1015 2030 8069 16138 40345 56483 80690 112966 234001 282415 468002 564830 1170005 1638007 2340010 3276014 8190035 16380070