Search a number
-
+
16675390 = 255373431
BaseRepresentation
bin111111100111…
…001000111110
31011101012100001
4333213020332
513232103030
61353224514
7261511204
oct77471076
934335301
1016675390
11945a516
12570213a
1335bb0c4
142301074
1516e5cca
hexfe723e

16675390 has 32 divisors (see below), whose sum is σ = 31072896. Its totient is φ = 6439680.

The previous prime is 16675381. The next prime is 16675409. The reversal of 16675390 is 9357661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38475 + ... + 38905.

It is an arithmetic number, because the mean of its divisors is an integer number (971028).

Almost surely, 216675390 is an apocalyptic number.

16675390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16675390 is a deficient number, since it is larger than the sum of its proper divisors (14397506).

16675390 is a wasteful number, since it uses less digits than its factorization.

16675390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 16675390 is about 4083.5511506531. The cubic root of 16675390 is about 255.4810348424.

The spelling of 16675390 in words is "sixteen million, six hundred seventy-five thousand, three hundred ninety".

Divisors: 1 2 5 10 53 73 106 146 265 365 431 530 730 862 2155 3869 4310 7738 19345 22843 31463 38690 45686 62926 114215 157315 228430 314630 1667539 3335078 8337695 16675390