Search a number
-
+
1402034221 = 7434657921
BaseRepresentation
bin101001110010001…
…0101100000101101
310121201011201101101
41103210111200231
510332410043341
6351042243101
746513044220
oct12344254055
93551151341
101402034221
1165a459075
12331656491
13194611663
14d42c15b7
1583147831
hex5391582d

1402034221 has 8 divisors (see below), whose sum is σ = 1639588544. Its totient is φ = 1173795840.

The previous prime is 1402034219. The next prime is 1402034233. The reversal of 1402034221 is 1224302041.

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

It is not a de Polignac number, because 1402034221 - 21 = 1402034219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402034201) 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, 2328660 + ... + 2329261.

It is an arithmetic number, because the mean of its divisors is an integer number (204948568).

Almost surely, 21402034221 is an apocalyptic number.

It is an amenable number.

1402034221 is a deficient number, since it is larger than the sum of its proper divisors (237554323).

1402034221 is an equidigital number, since it uses as much as digits as its factorization.

1402034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657971.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1402034221 is about 37443.7474219662. The cubic root of 1402034221 is about 1119.2305038047.

Adding to 1402034221 its reverse (1224302041), we get a palindrome (2626336262).

The spelling of 1402034221 in words is "one billion, four hundred two million, thirty-four thousand, two hundred twenty-one".

Divisors: 1 7 43 301 4657921 32605447 200290603 1402034221