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401103025 = 5222936997
BaseRepresentation
bin10111111010000…
…101100010110001
31000221202010220121
4113322011202301
51310140244100
6103445010241
712640214401
oct2772054261
91027663817
10401103025
11196459704
12b23b3981
136513968b
143b3b0801
152533051a
hex17e858b1

401103025 has 12 divisors (see below), whose sum is σ = 497655772. Its totient is φ = 320696640.

The previous prime is 401103023. The next prime is 401103047. The reversal of 401103025 is 520301104.

It can be written as a sum of positive squares in 6 ways, for example, as 45252529 + 355850496 = 6727^2 + 18864^2 .

It is not a de Polignac number, because 401103025 - 21 = 401103023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401103023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53827 + ... + 60823.

Almost surely, 2401103025 is an apocalyptic number.

It is an amenable number.

401103025 is a deficient number, since it is larger than the sum of its proper divisors (96552747).

401103025 is a wasteful number, since it uses less digits than its factorization.

401103025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9300 (or 9295 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 401103025 is about 20027.5566407887. The cubic root of 401103025 is about 737.4829412889.

Adding to 401103025 its reverse (520301104), we get a palindrome (921404129).

The spelling of 401103025 in words is "four hundred one million, one hundred three thousand, twenty-five".

Divisors: 1 5 25 2293 6997 11465 34985 57325 174925 16044121 80220605 401103025