Search a number
-
+
2489487 = 371113829
BaseRepresentation
bin1001011111110010001111
311200110221020
421133302033
51114130422
6125205223
730105660
oct11376217
94613836
102489487
111450430
12a00813
13692190
1448b367
1534295c
hex25fc8f

2489487 has 32 divisors (see below), whose sum is σ = 4462080. Its totient is φ = 1192320.

The previous prime is 2489483. The next prime is 2489491. The reversal of 2489487 is 7849842.

It is an interprime number because it is at equal distance from previous prime (2489483) and next prime (2489491).

It is not a de Polignac number, because 2489487 - 22 = 2489483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2589 + ... + 3417.

It is an arithmetic number, because the mean of its divisors is an integer number (139440).

22489487 is an apocalyptic number.

2489487 is a deficient number, since it is larger than the sum of its proper divisors (1972593).

2489487 is a wasteful number, since it uses less digits than its factorization.

2489487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863.

The product of its digits is 129024, while the sum is 42.

The square root of 2489487 is about 1577.8108251625. The cubic root of 2489487 is about 135.5303690503.

The spelling of 2489487 in words is "two million, four hundred eighty-nine thousand, four hundred eighty-seven".

Divisors: 1 3 7 11 13 21 33 39 77 91 143 231 273 429 829 1001 2487 3003 5803 9119 10777 17409 27357 32331 63833 75439 118547 191499 226317 355641 829829 2489487