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1400220867 = 31094282021
BaseRepresentation
bin101001101110101…
…1010110011000011
310121120202120221010
41103131122303003
510331424031432
6350535332003
746461452403
oct12335326303
93546676833
101400220867
1165942a731
12330b21003
13194128176
14d3d6c803
1582dda3cc
hex5375acc3

1400220867 has 8 divisors (see below), whose sum is σ = 1884089680. Its totient is φ = 924916320.

The previous prime is 1400220817. The next prime is 1400220881. The reversal of 1400220867 is 7680220041.

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

It is not a de Polignac number, because 1400220867 - 228 = 1131785411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400220817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2140684 + ... + 2141337.

It is an arithmetic number, because the mean of its divisors is an integer number (235511210).

Almost surely, 21400220867 is an apocalyptic number.

1400220867 is a deficient number, since it is larger than the sum of its proper divisors (483868813).

1400220867 is a wasteful number, since it uses less digits than its factorization.

1400220867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282133.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 1400220867 is about 37419.5252107773. The cubic root of 1400220867 is about 1118.7477679096.

The spelling of 1400220867 in words is "one billion, four hundred million, two hundred twenty thousand, eight hundred sixty-seven".

Divisors: 1 3 109 327 4282021 12846063 466740289 1400220867