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1401242 = 21741213
BaseRepresentation
bin101010110000110011010
32122012010212
411112012122
5324314432
650011122
714624153
oct5260632
92565125
101401242
11877857
12576aa2
133a0a4b
1428692a
151ca2b2
hex15619a

1401242 has 8 divisors (see below), whose sum is σ = 2225556. Its totient is φ = 659392.

The previous prime is 1401233. The next prime is 1401247. The reversal of 1401242 is 2421041.

It can be written as a sum of positive squares in 2 ways, for example, as 1042441 + 358801 = 1021^2 + 599^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1401247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20573 + ... + 20640.

21401242 is an apocalyptic number.

1401242 is a deficient number, since it is larger than the sum of its proper divisors (824314).

1401242 is a wasteful number, since it uses less digits than its factorization.

1401242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41232.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1401242 is about 1183.7406810615. The cubic root of 1401242 is about 111.9019656605.

Adding to 1401242 its reverse (2421041), we get a palindrome (3822283).

The spelling of 1401242 in words is "one million, four hundred one thousand, two hundred forty-two".

Divisors: 1 2 17 34 41213 82426 700621 1401242