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2201402401 = 11355756263
BaseRepresentation
bin1000001100110110…
…1011110000100001
312200102022211101021
42003031223300201
514002024334101
61002235405441
7105360416542
oct20315536041
95612284337
102201402401
11a2a6a8230
125152b3881
13291102a93
1416c5244c9
15cd3e75a1
hex8336bc21

2201402401 has 8 divisors (see below), whose sum is σ = 2402247744. Its totient is φ = 2000676720.

The previous prime is 2201402389. The next prime is 2201402429. The reversal of 2201402401 is 1042041022.

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 2201402401 - 215 = 2201369633 is a prime.

It is a super-2 number, since 2×22014024012 = 9692345062257129602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201402461) 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, 10996 + ... + 67258.

It is an arithmetic number, because the mean of its divisors is an integer number (300280968).

Almost surely, 22201402401 is an apocalyptic number.

It is an amenable number.

2201402401 is a deficient number, since it is larger than the sum of its proper divisors (200845343).

2201402401 is a wasteful number, since it uses less digits than its factorization.

2201402401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59831.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2201402401 is about 46919.1048614528. The cubic root of 2201402401 is about 1300.8677443242.

Adding to 2201402401 its reverse (1042041022), we get a palindrome (3243443423).

The spelling of 2201402401 in words is "two billion, two hundred one million, four hundred two thousand, four hundred one".

Divisors: 1 11 3557 39127 56263 618893 200127491 2201402401