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1400223701 = 101109127189
BaseRepresentation
bin101001101110101…
…1011011111010101
310121120202201211002
41103131123133111
510331424124301
6350535353045
746461463562
oct12335333725
93546681732
101400223701
11659431878
12330b22785
13194129546
14d3d6d869
1582ddb16b
hex5375b7d5

1400223701 has 8 divisors (see below), whose sum is σ = 1427071800. Its totient is φ = 1373630400.

The previous prime is 1400223659. The next prime is 1400223703. The reversal of 1400223701 is 1073220041.

It can be written as a sum of positive squares in 4 ways, for example, as 284596900 + 1115626801 = 16870^2 + 33401^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1400223701 - 226 = 1333114837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400223703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52586 + ... + 74603.

It is an arithmetic number, because the mean of its divisors is an integer number (178383975).

Almost surely, 21400223701 is an apocalyptic number.

It is an amenable number.

1400223701 is a deficient number, since it is larger than the sum of its proper divisors (26848099).

1400223701 is a wasteful number, since it uses less digits than its factorization.

1400223701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127399.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 1400223701 is about 37419.5630786892. The cubic root of 1400223701 is about 1118.7485226784.

Adding to 1400223701 its reverse (1073220041), we get a palindrome (2473443742).

The spelling of 1400223701 in words is "one billion, four hundred million, two hundred twenty-three thousand, seven hundred one".

Divisors: 1 101 109 11009 127189 12846089 13863601 1400223701