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1408684039 = 71711837681
BaseRepresentation
bin101001111110110…
…1101000000000111
310122011200120012221
41103331231000013
510341110342124
6351440553211
746623421360
oct12375550007
93564616187
101408684039
11663190194
12333922807
13195acc369
14d5132b67
1583a0cce4
hex53f6d007

1408684039 has 8 divisors (see below), whose sum is σ = 1704626208. Its totient is φ = 1136417280.

The previous prime is 1408684031. The next prime is 1408684093. The reversal of 1408684039 is 9304868041.

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 1408684039 - 23 = 1408684031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1408683986 and 1408684004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408684031) 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, 5918722 + ... + 5918959.

It is an arithmetic number, because the mean of its divisors is an integer number (213078276).

Almost surely, 21408684039 is an apocalyptic number.

1408684039 is a deficient number, since it is larger than the sum of its proper divisors (295942169).

1408684039 is a wasteful number, since it uses less digits than its factorization.

1408684039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11837705.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1408684039 is about 37532.4398221059. The cubic root of 1408684039 is about 1120.9972089546.

The spelling of 1408684039 in words is "one billion, four hundred eight million, six hundred eighty-four thousand, thirty-nine".

Divisors: 1 7 17 119 11837681 82863767 201240577 1408684039