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2057234 = 21028617
BaseRepresentation
bin111110110010000010010
310212111222212
413312100102
51011312414
6112032122
723325524
oct7662022
93774885
102057234
1111856a3
12832642
135704ca
143b7a14
152a983e
hex1f6412

2057234 has 4 divisors (see below), whose sum is σ = 3085854. Its totient is φ = 1028616.

The previous prime is 2057233. The next prime is 2057291. The reversal of 2057234 is 4327502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4327502 = 22163751.

It can be written as a sum of positive squares in only one way, i.e., 1951609 + 105625 = 1397^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (2057233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 514307 + ... + 514310.

22057234 is an apocalyptic number.

2057234 is a deficient number, since it is larger than the sum of its proper divisors (1028620).

2057234 is a wasteful number, since it uses less digits than its factorization.

2057234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1028619.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2057234 is about 1434.3061040099. The cubic root of 2057234 is about 127.1826581978.

The spelling of 2057234 in words is "two million, fifty-seven thousand, two hundred thirty-four".

Divisors: 1 2 1028617 2057234