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2150738 = 2172612
BaseRepresentation
bin1000001101000101010010
311001021020222
420031011102
51022310423
6114033042
724165242
oct10150522
94037228
102150738
111239977
12878782
135a3c35
143ddb22
152c73c8
hex20d152

2150738 has 18 divisors (see below), whose sum is σ = 3484143. Its totient is φ = 995520.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150738 is 8370512.

It can be written as a sum of positive squares in 5 ways, for example, as 452929 + 1697809 = 673^2 + 1303^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1037.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35228 + ... + 35288.

22150738 is an apocalyptic number.

2150738 is a deficient number, since it is larger than the sum of its proper divisors (1333405).

2150738 is an equidigital number, since it uses as much as digits as its factorization.

2150738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 2150738 is about 1466.5394641809. The cubic root of 2150738 is about 129.0810539626.

It can be divided in two parts, 2 and 150738, that multiplied together give a triangular number (301476 = T776).

The spelling of 2150738 in words is "two million, one hundred fifty thousand, seven hundred thirty-eight".

Divisors: 1 2 17 34 61 122 289 578 1037 2074 3721 7442 17629 35258 63257 126514 1075369 2150738