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1401250321 = 23269226483
BaseRepresentation
bin101001110000101…
…0110001000010001
310121122200220002001
41103201112020101
510332210002241
6351013354001
746503300622
oct12341261021
93548626061
101401250321
11659a73119
12331338901
131943c8903
14d4159a49
1583040431
hex53856211

1401250321 has 8 divisors (see below), whose sum is σ = 1467616320. Its totient is φ = 1335337872.

The previous prime is 1401250307. The next prime is 1401250363. The reversal of 1401250321 is 1230521041.

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

It is a cyclic number.

It is not a de Polignac number, because 1401250321 - 25 = 1401250289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401250021) 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, 107055 + ... + 119428.

It is an arithmetic number, because the mean of its divisors is an integer number (183452040).

Almost surely, 21401250321 is an apocalyptic number.

It is an amenable number.

1401250321 is a deficient number, since it is larger than the sum of its proper divisors (66365999).

1401250321 is a wasteful number, since it uses less digits than its factorization.

1401250321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226775.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1401250321 is about 37433.2782561186. The cubic root of 1401250321 is about 1119.0218716268.

Adding to 1401250321 its reverse (1230521041), we get a palindrome (2631771362).

The spelling of 1401250321 in words is "one billion, four hundred one million, two hundred fifty thousand, three hundred twenty-one".

Divisors: 1 23 269 6187 226483 5209109 60923927 1401250321