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1402021041 = 31783262109
BaseRepresentation
bin101001110010001…
…0010010010110001
310121201011001022020
41103210102102301
510332404133131
6351042102053
746512660621
oct12344222261
93551131266
101402021041
1165a44a183
1233164a929
13194608665
14d42ba881
1583143996
hex539124b1

1402021041 has 8 divisors (see below), whose sum is σ = 1870416960. Its totient is φ = 934152912.

The previous prime is 1402021007. The next prime is 1402021067. The reversal of 1402021041 is 1401202041.

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

It is not a de Polignac number, because 1402021041 - 210 = 1402020017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1402021041.

It is not an unprimeable number, because it can be changed into a prime (1402021091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125706 + ... + 136403.

It is an arithmetic number, because the mean of its divisors is an integer number (233802120).

Almost surely, 21402021041 is an apocalyptic number.

It is an amenable number.

1402021041 is a deficient number, since it is larger than the sum of its proper divisors (468395919).

1402021041 is a wasteful number, since it uses less digits than its factorization.

1402021041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263895.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1402021041 is about 37443.5714242111. The cubic root of 1402021041 is about 1119.2269966377.

Adding to 1402021041 its reverse (1401202041), we get a palindrome (2803223082).

The spelling of 1402021041 in words is "one billion, four hundred two million, twenty-one thousand, forty-one".

Divisors: 1 3 1783 5349 262109 786327 467340347 1402021041