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2150739 = 3379657
BaseRepresentation
bin1000001101000101010011
311001021021000
420031011103
51022310424
6114033043
724165243
oct10150523
94037230
102150739
111239978
12878783
135a3c36
143ddb23
152c73c9
hex20d153

2150739 has 8 divisors (see below), whose sum is σ = 3186320. Its totient is φ = 1433808.

The previous prime is 2150719. The next prime is 2150741. The reversal of 2150739 is 9370512.

It is not a de Polignac number, because 2150739 - 29 = 2150227 is a prime.

It is a super-2 number, since 2×21507392 = 9251356492242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 79657 = 2150739 / (2 + 1 + 5 + 0 + 7 + 3 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39802 + ... + 39855.

It is an arithmetic number, because the mean of its divisors is an integer number (398290).

22150739 is an apocalyptic number.

2150739 is a deficient number, since it is larger than the sum of its proper divisors (1035581).

2150739 is an equidigital number, since it uses as much as digits as its factorization.

2150739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79666 (or 79660 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 2150739 is about 1466.5398051195. The cubic root of 2150739 is about 129.0810739683.

The spelling of 2150739 in words is "two million, one hundred fifty thousand, seven hundred thirty-nine".

Divisors: 1 3 9 27 79657 238971 716913 2150739