Search a number
-
+
1969490 = 25238563
BaseRepresentation
bin111100000110101010010
310201001122002
413200311102
51001010430
6110114002
722511645
oct7406522
93631562
101969490
111125786
127ab902
1353c5a3
14393a5c
1528d845
hex1e0d52

1969490 has 16 divisors (see below), whose sum is σ = 3699648. Its totient is φ = 753456.

The previous prime is 1969489. The next prime is 1969511. The reversal of 1969490 is 949691.

It is a Curzon 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, 4052 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (231228).

21969490 is an apocalyptic number.

1969490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1969490 is a deficient number, since it is larger than the sum of its proper divisors (1730158).

1969490 is a wasteful number, since it uses less digits than its factorization.

1969490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8593.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 1969490 is about 1403.3851930244. The cubic root of 1969490 is about 125.3481494355.

The spelling of 1969490 in words is "one million, nine hundred sixty-nine thousand, four hundred ninety".

Divisors: 1 2 5 10 23 46 115 230 8563 17126 42815 85630 196949 393898 984745 1969490