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1629914141 = 53229134293
BaseRepresentation
bin110000100100110…
…1000010000011101
311012120222012212102
41201021220100131
511314224223031
6425422414445
755251020162
oct14111502035
94176865772
101629914141
11767053689
12395a31425
131cc8aa94b
14116680069
159815c7cb
hex6126841d

1629914141 has 8 divisors (see below), whose sum is σ = 1667931480. Its totient is φ = 1592165952.

The previous prime is 1629914131. The next prime is 1629914149. The reversal of 1629914141 is 1414199261.

It can be written as a sum of positive squares in 4 ways, for example, as 1159674916 + 470239225 = 34054^2 + 21685^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1629914141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1629914095 and 1629914104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1629914149) 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, 55010 + ... + 79283.

It is an arithmetic number, because the mean of its divisors is an integer number (208491435).

Almost surely, 21629914141 is an apocalyptic number.

It is an amenable number.

1629914141 is a deficient number, since it is larger than the sum of its proper divisors (38017339).

1629914141 is a wasteful number, since it uses less digits than its factorization.

1629914141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134575.

The product of its digits is 15552, while the sum is 38.

The square root of 1629914141 is about 40372.1951471554. The cubic root of 1629914141 is about 1176.8512579281.

The spelling of 1629914141 in words is "one billion, six hundred twenty-nine million, nine hundred fourteen thousand, one hundred forty-one".

Divisors: 1 53 229 12137 134293 7117529 30753097 1629914141