Search a number
-
+
1949148 = 2232291867
BaseRepresentation
bin111011011110111011100
310200000201200
413123313130
5444333043
6105435500
722365435
oct7336734
93600650
101949148
111111473
1279bb90
13533256
1438a48c
152877d3
hex1dbddc

1949148 has 36 divisors (see below), whose sum is σ = 5099640. Its totient is φ = 626976.

The previous prime is 1949141. The next prime is 1949161. The reversal of 1949148 is 8419491.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111 + ... + 1977.

21949148 is an apocalyptic number.

1949148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1949148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2549820).

1949148 is an abundant number, since it is smaller than the sum of its proper divisors (3150492).

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

1949148 is a wasteful number, since it uses less digits than its factorization.

1949148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906 (or 1901 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1949148 is about 1396.1189061108. The cubic root of 1949148 is about 124.9150996819.

The spelling of 1949148 in words is "one million, nine hundred forty-nine thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 1867 3734 5601 7468 11202 16803 22404 33606 54143 67212 108286 162429 216572 324858 487287 649716 974574 1949148