Search a number
-
+
1969996 = 227219232
BaseRepresentation
bin111100000111101001100
310201002022211
413200331030
51001014441
6110120204
722513300
oct7407514
93632284
101969996
1111260a6
127b0064
1353c8a2
14393d00
1528da81
hex1e0f4c

1969996 has 54 divisors (see below), whose sum is σ = 4412940. Its totient is φ = 765072.

The previous prime is 1969993. The next prime is 1969997. The reversal of 1969996 is 6999691.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1969993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 85641 + ... + 85663.

21969996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1969996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2206470).

1969996 is an abundant number, since it is smaller than the sum of its proper divisors (2442944).

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

1969996 is a wasteful number, since it uses less digits than its factorization.

1969996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 51 counting only the distinct ones).

The product of its digits is 236196, while the sum is 49.

The square root of 1969996 is about 1403.5654598201. The cubic root of 1969996 is about 125.3588833028.

1969996 divided by its sum of digits (49) gives a palindrome (40204).

The spelling of 1969996 in words is "one million, nine hundred sixty-nine thousand, nine hundred ninety-six".

Divisors: 1 2 4 7 14 19 23 28 38 46 49 76 92 98 133 161 196 266 322 437 529 532 644 874 931 1058 1127 1748 1862 2116 2254 3059 3703 3724 4508 6118 7406 10051 12236 14812 20102 21413 25921 40204 42826 51842 70357 85652 103684 140714 281428 492499 984998 1969996