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16472390 = 2511149749
BaseRepresentation
bin111110110101…
…100101000110
31010222212212112
4332311211012
513204104030
61345021022
7260004314
oct76654506
933885775
1016472390
119330a50
125624772
13354989c
14228b0b4
1516a5a95
hexfb5946

16472390 has 16 divisors (see below), whose sum is σ = 32346000. Its totient is φ = 5989920.

The previous prime is 16472383. The next prime is 16472441. The reversal of 16472390 is 9327461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74765 + ... + 74984.

It is an arithmetic number, because the mean of its divisors is an integer number (2021625).

Almost surely, 216472390 is an apocalyptic number.

16472390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16472390 is a deficient number, since it is larger than the sum of its proper divisors (15873610).

16472390 is a wasteful number, since it uses less digits than its factorization.

16472390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149767.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16472390 is about 4058.6192233320. The cubic root of 16472390 is about 254.4400889285.

Subtracting from 16472390 its reverse (9327461), we obtain a square (7144929 = 26732).

The spelling of 16472390 in words is "sixteen million, four hundred seventy-two thousand, three hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 149749 299498 748745 1497490 1647239 3294478 8236195 16472390