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1949242 = 25916519
BaseRepresentation
bin111011011111000111010
310200000212011
413123320322
5444333432
6105440134
722365631
oct7337072
93600764
101949242
111111549
127a004a
135332c9
1438a518
15287847
hex1dbe3a

1949242 has 8 divisors (see below), whose sum is σ = 2973600. Its totient is φ = 958044.

The previous prime is 1949201. The next prime is 1949251. The reversal of 1949242 is 2429491.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8142 + ... + 8377.

It is an arithmetic number, because the mean of its divisors is an integer number (371700).

21949242 is an apocalyptic number.

1949242 is a deficient number, since it is larger than the sum of its proper divisors (1024358).

1949242 is a wasteful number, since it uses less digits than its factorization.

1949242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16580.

The product of its digits is 5184, while the sum is 31.

The square root of 1949242 is about 1396.1525704593. The cubic root of 1949242 is about 124.9171077098.

Subtracting 1949242 from its reverse (2429491), we obtain a square (480249 = 6932).

The spelling of 1949242 in words is "one million, nine hundred forty-nine thousand, two hundred forty-two".

Divisors: 1 2 59 118 16519 33038 974621 1949242