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1404148442 = 21171599551
BaseRepresentation
bin101001110110001…
…1001101011011010
310121212011010112212
41103230121223122
510333430222232
6351155435122
746540031144
oct12354315332
93555133485
101404148442
11660672564
123322b5aa2
13194ba1a88
14d46b1c94
1583413eb2
hex53b19ada

1404148442 has 8 divisors (see below), whose sum is σ = 2108024832. Its totient is φ = 701473500.

The previous prime is 1404148397. The next prime is 1404148457. The reversal of 1404148442 is 2448414041.

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

It is a junction number, because it is equal to n+sod(n) for n = 1404148399 and 1404148408.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 297434 + ... + 302117.

It is an arithmetic number, because the mean of its divisors is an integer number (263503104).

Almost surely, 21404148442 is an apocalyptic number.

1404148442 is a deficient number, since it is larger than the sum of its proper divisors (703876390).

1404148442 is a wasteful number, since it uses less digits than its factorization.

1404148442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600724.

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 1404148442 is about 37471.9687499870. The cubic root of 1404148442 is about 1119.7928087187.

The spelling of 1404148442 in words is "one billion, four hundred four million, one hundred forty-eight thousand, four hundred forty-two".

Divisors: 1 2 1171 2342 599551 1199102 702074221 1404148442