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1404212 = 22351053
BaseRepresentation
bin101010110110100110100
32122100012212
411112310310
5324413322
650032552
714635625
oct5266464
92570185
101404212
1187a007
12578758
133a21c4
14287a4c
151cb0e2
hex156d34

1404212 has 6 divisors (see below), whose sum is σ = 2457378. Its totient is φ = 702104.

The previous prime is 1404211. The next prime is 1404229. The reversal of 1404212 is 2124041.

1404212 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 163216 = 1114^2 + 404^2 .

It is a super-2 number, since 2×14042122 = 3943622681888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175523 + ... + 175530.

It is an arithmetic number, because the mean of its divisors is an integer number (409563).

21404212 is an apocalyptic number.

It is an amenable number.

1404212 is a deficient number, since it is larger than the sum of its proper divisors (1053166).

1404212 is a wasteful number, since it uses less digits than its factorization.

1404212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351057 (or 351055 counting only the distinct ones).

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

The square root of 1404212 is about 1184.9945147552. The cubic root of 1404212 is about 111.9809704064.

Adding to 1404212 its reverse (2124041), we get a palindrome (3528253).

The spelling of 1404212 in words is "one million, four hundred four thousand, two hundred twelve".

Divisors: 1 2 4 351053 702106 1404212