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2481138 = 233114177
BaseRepresentation
bin1001011101101111110010
311200001111000
421131233302
51113344023
6125102430
730042432
oct11355762
94601430
102481138
111445130
129b7a16
1368b43a
144882c2
15340243
hex25dbf2

2481138 has 32 divisors (see below), whose sum is σ = 6016320. Its totient is φ = 751680.

The previous prime is 2481137. The next prime is 2481139. The reversal of 2481138 is 8311842.

It is an interprime number because it is at equal distance from previous prime (2481137) and next prime (2481139).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2481137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1495 + ... + 2682.

It is an arithmetic number, because the mean of its divisors is an integer number (188010).

22481138 is an apocalyptic number.

2481138 is an abundant number, since it is smaller than the sum of its proper divisors (3535182).

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

2481138 is a wasteful number, since it uses less digits than its factorization.

2481138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199 (or 4193 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 2481138 is about 1575.1628487239. The cubic root of 2481138 is about 135.3786898266.

It can be divided in two parts, 2481 and 138, that multiplied together give a triangular number (342378 = T827).

The spelling of 2481138 in words is "two million, four hundred eighty-one thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 4177 8354 12531 25062 37593 45947 75186 91894 112779 137841 225558 275682 413523 827046 1240569 2481138