Search a number
-
+
1219044 = 2232931113
BaseRepresentation
bin100101001100111100100
32021221012210
410221213210
5303002134
642043420
713235031
oct4514744
92257183
101219044
11762982
124a9570
13338b38
1423a388
151912e9
hex1299e4

1219044 has 48 divisors (see below), whose sum is σ = 3064320. Its totient is φ = 376320.

The previous prime is 1219003. The next prime is 1219061. The reversal of 1219044 is 4409121.

It is a self number, because there is not a number n which added to its sum of digits gives 1219044.

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, 10732 + ... + 10844.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

21219044 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 1219044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1532160).

1219044 is an abundant number, since it is smaller than the sum of its proper divisors (1845276).

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

1219044 is a wasteful number, since it uses less digits than its factorization.

1219044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1219044 is about 1104.1032560408. The cubic root of 1219044 is about 106.8250554914.

The spelling of 1219044 in words is "one million, two hundred nineteen thousand, forty-four".

Divisors: 1 2 3 4 6 12 29 31 58 62 87 93 113 116 124 174 186 226 339 348 372 452 678 899 1356 1798 2697 3277 3503 3596 5394 6554 7006 9831 10509 10788 13108 14012 19662 21018 39324 42036 101587 203174 304761 406348 609522 1219044