Search a number
-
+
2480988 = 223206749
BaseRepresentation
bin1001011101101101011100
311200001021110
421131231130
51113342423
6125102020
730042126
oct11355534
94601243
102480988
111445004
129b7910
1368b353
14488216
15340193
hex25db5c

2480988 has 12 divisors (see below), whose sum is σ = 5789000. Its totient is φ = 826992.

The previous prime is 2480981. The next prime is 2481013. The reversal of 2480988 is 8890842.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×24809882 = 12310602912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2480981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103363 + ... + 103386.

22480988 is an apocalyptic number.

It is an amenable number.

2480988 is an abundant number, since it is smaller than the sum of its proper divisors (3308012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2480988 is a wasteful number, since it uses less digits than its factorization.

2480988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206756 (or 206754 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 2480988 is about 1575.1152338797. The cubic root of 2480988 is about 135.3759616144.

The spelling of 2480988 in words is "two million, four hundred eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 206749 413498 620247 826996 1240494 2480988