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1214828401 = 41122924109
BaseRepresentation
bin100100001101000…
…1100111101110001
310010122220200021111
41020122030331301
54441444002101
6320313553321
742050604523
oct11032147561
93118820244
101214828401
11573814616
1229aa15841
131648b6997
14b74ada13
15719b9251
hex4868cf71

1214828401 has 8 divisors (see below), whose sum is σ = 1245522600. Its totient is φ = 1184184960.

The previous prime is 1214828399. The next prime is 1214828431. The reversal of 1214828401 is 1048284121.

It can be written as a sum of positive squares in 4 ways, for example, as 290668401 + 924160000 = 17049^2 + 30400^2 .

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

It is not a de Polignac number, because 1214828401 - 21 = 1214828399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214828431) 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, 38335 + ... + 62443.

It is an arithmetic number, because the mean of its divisors is an integer number (155690325).

Almost surely, 21214828401 is an apocalyptic number.

It is an amenable number.

1214828401 is a deficient number, since it is larger than the sum of its proper divisors (30694199).

1214828401 is a wasteful number, since it uses less digits than its factorization.

1214828401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25379.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 1214828401 is about 34854.3885472117. The cubic root of 1214828401 is about 1067.0177536457.

The spelling of 1214828401 in words is "one billion, two hundred fourteen million, eight hundred twenty-eight thousand, four hundred one".

Divisors: 1 41 1229 24109 50389 988469 29629961 1214828401