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1949994 = 23412037
BaseRepresentation
bin111011100000100101010
310200001220000
413130010222
5444344434
6105443430
722401054
oct7340452
93601800
101949994
111112072
127a0576
13533757
1438a8d4
15287b99
hex1dc12a

1949994 has 20 divisors (see below), whose sum is σ = 4369794. Its totient is φ = 649944.

The previous prime is 1949947. The next prime is 1949999. The reversal of 1949994 is 4999491.

It can be written as a sum of positive squares in only one way, i.e., 1946025 + 3969 = 1395^2 + 63^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1949999) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5857 + ... + 6180.

21949994 is an apocalyptic number.

1949994 is an abundant number, since it is smaller than the sum of its proper divisors (2419800).

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

1949994 is a wasteful number, since it uses less digits than its factorization.

1949994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12051 (or 12042 counting only the distinct ones).

The product of its digits is 104976, while the sum is 45.

The square root of 1949994 is about 1396.4218560306. The cubic root of 1949994 is about 124.9331696093.

The spelling of 1949994 in words is "one million, nine hundred forty-nine thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 12037 24074 36111 72222 108333 216666 324999 649998 974997 1949994