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1402301221 = 37284313331
BaseRepresentation
bin101001110010101…
…0110101100100101
310121201200021122021
41103211112230211
510332442114341
6351052103141
746515235516
oct12345265445
93551607567
101402301221
1165a620732
12331764ab1
131946a6049
14d4350a0d
158319b9d1
hex53956b25

1402301221 has 8 divisors (see below), whose sum is σ = 1440815904. Its totient is φ = 1363818960.

The previous prime is 1402301209. The next prime is 1402301227. The reversal of 1402301221 is 1221032041.

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-1402301221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402301195 and 1402301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402301227) 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, 98526 + ... + 111856.

It is an arithmetic number, because the mean of its divisors is an integer number (180101988).

Almost surely, 21402301221 is an apocalyptic number.

It is an amenable number.

1402301221 is a deficient number, since it is larger than the sum of its proper divisors (38514683).

1402301221 is a wasteful number, since it uses less digits than its factorization.

1402301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16211.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1402301221 is about 37447.3126005058. The cubic root of 1402301221 is about 1119.3015471435.

Adding to 1402301221 its reverse (1221032041), we get a palindrome (2623333262).

The spelling of 1402301221 in words is "one billion, four hundred two million, three hundred one thousand, two hundred twenty-one".

Divisors: 1 37 2843 13331 105191 493247 37900033 1402301221