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2552457 = 31396121
BaseRepresentation
bin1001101111001010001001
311210200022110
421233022021
51123134312
6130412533
730460365
oct11571211
94720273
102552457
111493776
12a31149
136b4a3b
144a62a5
1535643c
hex26f289

2552457 has 8 divisors (see below), whose sum is σ = 3428320. Its totient is φ = 1689120.

The previous prime is 2552449. The next prime is 2552461. The reversal of 2552457 is 7542552.

2552457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2552457 - 23 = 2552449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2552477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2644 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (428540).

22552457 is an apocalyptic number.

It is an amenable number.

2552457 is a deficient number, since it is larger than the sum of its proper divisors (875863).

2552457 is a wasteful number, since it uses less digits than its factorization.

2552457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6263.

The product of its digits is 14000, while the sum is 30.

The square root of 2552457 is about 1597.6410735832. The cubic root of 2552457 is about 136.6635857591.

The spelling of 2552457 in words is "two million, five hundred fifty-two thousand, four hundred fifty-seven".

Divisors: 1 3 139 417 6121 18363 850819 2552457