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1400024345 = 5702739847
BaseRepresentation
bin101001101110010…
…1010110100011001
310121120101121100112
41103130222310121
510331401234340
6350531214105
746460003426
oct12334526431
93546347315
101400024345
11659306015
12330a47335
13194089895
14d3d1ad4d
1582d9c065
hex5372ad19

1400024345 has 8 divisors (see below), whose sum is σ = 1680310464. Its totient is φ = 1119831984.

The previous prime is 1400024303. The next prime is 1400024347. The reversal of 1400024345 is 5434200041.

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 1400024345 - 212 = 1400020249 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1400024345.

It is not an unprimeable number, because it can be changed into a prime (1400024347) 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, 15212 + ... + 55058.

It is an arithmetic number, because the mean of its divisors is an integer number (210038808).

Almost surely, 21400024345 is an apocalyptic number.

It is an amenable number.

1400024345 is a deficient number, since it is larger than the sum of its proper divisors (280286119).

1400024345 is an equidigital number, since it uses as much as digits as its factorization.

1400024345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46879.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1400024345 is about 37416.8991900719. The cubic root of 1400024345 is about 1118.6954264444.

Adding to 1400024345 its reverse (5434200041), we get a palindrome (6834224386).

The spelling of 1400024345 in words is "one billion, four hundred million, twenty-four thousand, three hundred forty-five".

Divisors: 1 5 7027 35135 39847 199235 280004869 1400024345