Search a number
-
+
3142320 = 243513093
BaseRepresentation
bin1011111111001010110000
312220122110020
423333022300
51301023240
6151203440
735465166
oct13771260
95818406
103142320
111856965
121076580
1386037c
145bb236
154210d0
hex2ff2b0

3142320 has 40 divisors (see below), whose sum is σ = 9741936. Its totient is φ = 837888.

The previous prime is 3142319. The next prime is 3142333. The reversal of 3142320 is 232413.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 3142320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6307 + ... + 6786.

Almost surely, 23142320 is an apocalyptic number.

3142320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3142320 is an abundant number, since it is smaller than the sum of its proper divisors (6599616).

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

3142320 is a wasteful number, since it uses less digits than its factorization.

3142320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13109 (or 13103 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 3142320 is about 1772.6590196651. The cubic root of 3142320 is about 146.4704907036.

Adding to 3142320 its reverse (232413), we get a palindrome (3374733).

The spelling of 3142320 in words is "three million, one hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 13093 26186 39279 52372 65465 78558 104744 130930 157116 196395 209488 261860 314232 392790 523720 628464 785580 1047440 1571160 3142320