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2549121 = 31396113
BaseRepresentation
bin1001101110010110000001
311210111201220
421232112001
51123032441
6130345253
730444561
oct11562601
94714656
102549121
111491213
12a2b229
136b3373
144a4da1
15355466
hex26e581

2549121 has 8 divisors (see below), whose sum is σ = 3423840. Its totient is φ = 1686912.

The previous prime is 2549119. The next prime is 2549123. The reversal of 2549121 is 1219452.

It is an interprime number because it is at equal distance from previous prime (2549119) and next prime (2549123).

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

It is not a de Polignac number, because 2549121 - 21 = 2549119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2549091 and 2549100.

It is not an unprimeable number, because it can be changed into a prime (2549123) 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, 2640 + ... + 3473.

It is an arithmetic number, because the mean of its divisors is an integer number (427980).

22549121 is an apocalyptic number.

It is an amenable number.

2549121 is a deficient number, since it is larger than the sum of its proper divisors (874719).

2549121 is a wasteful number, since it uses less digits than its factorization.

2549121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6255.

The product of its digits is 720, while the sum is 24.

The square root of 2549121 is about 1596.5966929691. The cubic root of 2549121 is about 136.6040211269.

The spelling of 2549121 in words is "two million, five hundred forty-nine thousand, one hundred twenty-one".

Divisors: 1 3 139 417 6113 18339 849707 2549121