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2427129 = 32614421
BaseRepresentation
bin1001010000100011111001
311120022101200
421100203321
51110132004
6124004413
726426115
oct11204371
94508350
102427129
1114085a1
12990709
1366c993
14472745
1532e239
hex2508f9

2427129 has 12 divisors (see below), whose sum is σ = 3564132. Its totient is φ = 1591200.

The previous prime is 2427109. The next prime is 2427137. The reversal of 2427129 is 9217242.

It can be written as a sum of positive squares in 2 ways, for example, as 921600 + 1505529 = 960^2 + 1227^2 .

It is not a de Polignac number, because 2427129 - 27 = 2427001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2427109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1662 + ... + 2759.

It is an arithmetic number, because the mean of its divisors is an integer number (297011).

22427129 is an apocalyptic number.

It is an amenable number.

2427129 is a deficient number, since it is larger than the sum of its proper divisors (1137003).

2427129 is a wasteful number, since it uses less digits than its factorization.

2427129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4488 (or 4485 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 2427129 is about 1557.9245809730. The cubic root of 2427129 is about 134.3891745639.

It can be divided in two parts, 2427 and 129, that added together give a triangular number (2556 = T71).

The spelling of 2427129 in words is "two million, four hundred twenty-seven thousand, one hundred twenty-nine".

Divisors: 1 3 9 61 183 549 4421 13263 39789 269681 809043 2427129